diff --git a/Android.bp b/Android.bp
index ee4cb06cfa83c..4c74347cb3585 100644
--- a/Android.bp
+++ b/Android.bp
@@ -567,6 +567,7 @@ stubs_defaults {
     libs: [
         "art.module.public.api",
         "sdk_module-lib_current_framework-tethering",
+        "sdk_module-lib_current_framework-connectivity-tiramisu",
         "sdk_public_current_framework-bluetooth",
         // There are a few classes from modules used by the core that
         // need to be resolved by metalava. We use a prebuilt stub of the
diff --git a/StubLibraries.bp b/StubLibraries.bp
index 39fd511a90ca2..f47c61f4a69e2 100644
--- a/StubLibraries.bp
+++ b/StubLibraries.bp
@@ -250,6 +250,7 @@ java_library {
     srcs: [":module-lib-api-stubs-docs-non-updatable"],
     libs: [
         "sdk_module-lib_current_framework-tethering",
+        "sdk_module-lib_current_framework-connectivity-tiramisu",
         "sdk_public_current_framework-bluetooth",
         // NOTE: The below can be removed once the prebuilt stub contains bluetooth.
         "sdk_system_current_android",
diff --git a/boot/hiddenapi/hiddenapi-max-target-o.txt b/boot/hiddenapi/hiddenapi-max-target-o.txt
index 50e0a1b45c9d3..e346ebf827ae1 100644
--- a/boot/hiddenapi/hiddenapi-max-target-o.txt
+++ b/boot/hiddenapi/hiddenapi-max-target-o.txt
@@ -9315,78 +9315,6 @@ Landroid/app/usage/IUsageStatsManager;->setAppStandbyBucket(Ljava/lang/String;II
 Landroid/app/usage/IUsageStatsManager;->setAppStandbyBuckets(Landroid/content/pm/ParceledListSlice;I)V
 Landroid/app/usage/IUsageStatsManager;->unregisterAppUsageObserver(ILjava/lang/String;)V
 Landroid/app/usage/IUsageStatsManager;->whitelistAppTemporarily(Ljava/lang/String;JI)V
-Landroid/app/usage/NetworkStats$Bucket;->convertDefaultNetworkStatus(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertMetered(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertRoaming(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertSet(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertState(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertTag(I)I
-Landroid/app/usage/NetworkStats$Bucket;->convertUid(I)I
-Landroid/app/usage/NetworkStats$Bucket;->mBeginTimeStamp:J
-Landroid/app/usage/NetworkStats$Bucket;->mDefaultNetworkStatus:I
-Landroid/app/usage/NetworkStats$Bucket;->mEndTimeStamp:J
-Landroid/app/usage/NetworkStats$Bucket;->mMetered:I
-Landroid/app/usage/NetworkStats$Bucket;->mRoaming:I
-Landroid/app/usage/NetworkStats$Bucket;->mRxBytes:J
-Landroid/app/usage/NetworkStats$Bucket;->mRxPackets:J
-Landroid/app/usage/NetworkStats$Bucket;->mState:I
-Landroid/app/usage/NetworkStats$Bucket;->mTag:I
-Landroid/app/usage/NetworkStats$Bucket;->mTxBytes:J
-Landroid/app/usage/NetworkStats$Bucket;->mTxPackets:J
-Landroid/app/usage/NetworkStats$Bucket;->mUid:I
-Landroid/app/usage/NetworkStats;-><init>(Landroid/content/Context;Landroid/net/NetworkTemplate;IJJLandroid/net/INetworkStatsService;)V
-Landroid/app/usage/NetworkStats;->fillBucketFromSummaryEntry(Landroid/app/usage/NetworkStats$Bucket;)V
-Landroid/app/usage/NetworkStats;->getDeviceSummaryForNetwork()Landroid/app/usage/NetworkStats$Bucket;
-Landroid/app/usage/NetworkStats;->getNextHistoryBucket(Landroid/app/usage/NetworkStats$Bucket;)Z
-Landroid/app/usage/NetworkStats;->getNextSummaryBucket(Landroid/app/usage/NetworkStats$Bucket;)Z
-Landroid/app/usage/NetworkStats;->getSummaryAggregate()Landroid/app/usage/NetworkStats$Bucket;
-Landroid/app/usage/NetworkStats;->getUid()I
-Landroid/app/usage/NetworkStats;->hasNextUid()Z
-Landroid/app/usage/NetworkStats;->isUidEnumeration()Z
-Landroid/app/usage/NetworkStats;->mCloseGuard:Ldalvik/system/CloseGuard;
-Landroid/app/usage/NetworkStats;->mEndTimeStamp:J
-Landroid/app/usage/NetworkStats;->mEnumerationIndex:I
-Landroid/app/usage/NetworkStats;->mHistory:Landroid/net/NetworkStatsHistory;
-Landroid/app/usage/NetworkStats;->mRecycledHistoryEntry:Landroid/net/NetworkStatsHistory$Entry;
-Landroid/app/usage/NetworkStats;->mRecycledSummaryEntry:Landroid/net/NetworkStats$Entry;
-Landroid/app/usage/NetworkStats;->mSession:Landroid/net/INetworkStatsSession;
-Landroid/app/usage/NetworkStats;->mStartTimeStamp:J
-Landroid/app/usage/NetworkStats;->mState:I
-Landroid/app/usage/NetworkStats;->mSummary:Landroid/net/NetworkStats;
-Landroid/app/usage/NetworkStats;->mTag:I
-Landroid/app/usage/NetworkStats;->mTemplate:Landroid/net/NetworkTemplate;
-Landroid/app/usage/NetworkStats;->mUidOrUidIndex:I
-Landroid/app/usage/NetworkStats;->mUids:[I
-Landroid/app/usage/NetworkStats;->setSingleUidTagState(III)V
-Landroid/app/usage/NetworkStats;->startHistoryEnumeration(III)V
-Landroid/app/usage/NetworkStats;->startSummaryEnumeration()V
-Landroid/app/usage/NetworkStats;->startUserUidEnumeration()V
-Landroid/app/usage/NetworkStats;->stepHistory()V
-Landroid/app/usage/NetworkStats;->stepUid()V
-Landroid/app/usage/NetworkStats;->TAG:Ljava/lang/String;
-Landroid/app/usage/NetworkStatsManager$CallbackHandler;-><init>(Landroid/os/Looper;ILjava/lang/String;Landroid/app/usage/NetworkStatsManager$UsageCallback;)V
-Landroid/app/usage/NetworkStatsManager$CallbackHandler;->getObject(Landroid/os/Message;Ljava/lang/String;)Ljava/lang/Object;
-Landroid/app/usage/NetworkStatsManager$CallbackHandler;->mCallback:Landroid/app/usage/NetworkStatsManager$UsageCallback;
-Landroid/app/usage/NetworkStatsManager$CallbackHandler;->mNetworkType:I
-Landroid/app/usage/NetworkStatsManager$CallbackHandler;->mSubscriberId:Ljava/lang/String;
-Landroid/app/usage/NetworkStatsManager$UsageCallback;->request:Landroid/net/DataUsageRequest;
-Landroid/app/usage/NetworkStatsManager;-><init>(Landroid/content/Context;Landroid/net/INetworkStatsService;)V
-Landroid/app/usage/NetworkStatsManager;->CALLBACK_LIMIT_REACHED:I
-Landroid/app/usage/NetworkStatsManager;->CALLBACK_RELEASED:I
-Landroid/app/usage/NetworkStatsManager;->createTemplate(ILjava/lang/String;)Landroid/net/NetworkTemplate;
-Landroid/app/usage/NetworkStatsManager;->DBG:Z
-Landroid/app/usage/NetworkStatsManager;->FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN:I
-Landroid/app/usage/NetworkStatsManager;->FLAG_POLL_FORCE:I
-Landroid/app/usage/NetworkStatsManager;->FLAG_POLL_ON_OPEN:I
-Landroid/app/usage/NetworkStatsManager;->mContext:Landroid/content/Context;
-Landroid/app/usage/NetworkStatsManager;->mFlags:I
-Landroid/app/usage/NetworkStatsManager;->MIN_THRESHOLD_BYTES:J
-Landroid/app/usage/NetworkStatsManager;->mService:Landroid/net/INetworkStatsService;
-Landroid/app/usage/NetworkStatsManager;->querySummaryForDevice(Landroid/net/NetworkTemplate;JJ)Landroid/app/usage/NetworkStats$Bucket;
-Landroid/app/usage/NetworkStatsManager;->registerUsageCallback(Landroid/net/NetworkTemplate;IJLandroid/app/usage/NetworkStatsManager$UsageCallback;Landroid/os/Handler;)V
-Landroid/app/usage/NetworkStatsManager;->setAugmentWithSubscriptionPlan(Z)V
-Landroid/app/usage/NetworkStatsManager;->setPollOnOpen(Z)V
-Landroid/app/usage/NetworkStatsManager;->TAG:Ljava/lang/String;
 Landroid/app/usage/StorageStats;-><init>()V
 Landroid/app/usage/StorageStats;-><init>(Landroid/os/Parcel;)V
 Landroid/app/usage/StorageStats;->cacheBytes:J
@@ -35338,13 +35266,6 @@ Landroid/net/ConnectivityMetricsEvent;->transports:J
 Landroid/net/Credentials;->gid:I
 Landroid/net/Credentials;->pid:I
 Landroid/net/Credentials;->uid:I
-Landroid/net/DataUsageRequest;-><init>(ILandroid/net/NetworkTemplate;J)V
-Landroid/net/DataUsageRequest;->CREATOR:Landroid/os/Parcelable$Creator;
-Landroid/net/DataUsageRequest;->PARCELABLE_KEY:Ljava/lang/String;
-Landroid/net/DataUsageRequest;->requestId:I
-Landroid/net/DataUsageRequest;->REQUEST_ID_UNSET:I
-Landroid/net/DataUsageRequest;->template:Landroid/net/NetworkTemplate;
-Landroid/net/DataUsageRequest;->thresholdInBytes:J
 Landroid/net/DhcpResults;->addDns(Ljava/lang/String;)Z
 Landroid/net/DhcpResults;->clear()V
 Landroid/net/DhcpResults;->CREATOR:Landroid/os/Parcelable$Creator;
@@ -35793,68 +35714,6 @@ Landroid/net/INetworkScoreService;->requestScores([Landroid/net/NetworkKey;)Z
 Landroid/net/INetworkScoreService;->setActiveScorer(Ljava/lang/String;)Z
 Landroid/net/INetworkScoreService;->unregisterNetworkScoreCache(ILandroid/net/INetworkScoreCache;)V
 Landroid/net/INetworkScoreService;->updateScores([Landroid/net/ScoredNetwork;)Z
-Landroid/net/INetworkStatsService$Stub$Proxy;->forceUpdate()V
-Landroid/net/INetworkStatsService$Stub$Proxy;->forceUpdateIfaces([Landroid/net/Network;)V
-Landroid/net/INetworkStatsService$Stub$Proxy;->getDataLayerSnapshotForUid(I)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsService$Stub$Proxy;->getDetailedUidStats([Ljava/lang/String;)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsService$Stub$Proxy;->getIfaceStats(Ljava/lang/String;I)J
-Landroid/net/INetworkStatsService$Stub$Proxy;->getInterfaceDescriptor()Ljava/lang/String;
-Landroid/net/INetworkStatsService$Stub$Proxy;->getTotalStats(I)J
-Landroid/net/INetworkStatsService$Stub$Proxy;->getUidStats(II)J
-Landroid/net/INetworkStatsService$Stub$Proxy;->incrementOperationCount(III)V
-Landroid/net/INetworkStatsService$Stub$Proxy;->mRemote:Landroid/os/IBinder;
-Landroid/net/INetworkStatsService$Stub$Proxy;->openSession()Landroid/net/INetworkStatsSession;
-Landroid/net/INetworkStatsService$Stub$Proxy;->openSessionForUsageStats(ILjava/lang/String;)Landroid/net/INetworkStatsSession;
-Landroid/net/INetworkStatsService$Stub$Proxy;->registerUsageCallback(Ljava/lang/String;Landroid/net/DataUsageRequest;Landroid/os/Messenger;Landroid/os/IBinder;)Landroid/net/DataUsageRequest;
-Landroid/net/INetworkStatsService$Stub$Proxy;->unregisterUsageRequest(Landroid/net/DataUsageRequest;)V
-Landroid/net/INetworkStatsService$Stub;-><init>()V
-Landroid/net/INetworkStatsService$Stub;->DESCRIPTOR:Ljava/lang/String;
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_forceUpdate:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_forceUpdateIfaces:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getDataLayerSnapshotForUid:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getDetailedUidStats:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getIfaceStats:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getMobileIfaces:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getTotalStats:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_getUidStats:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_incrementOperationCount:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_openSession:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_openSessionForUsageStats:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_registerUsageCallback:I
-Landroid/net/INetworkStatsService$Stub;->TRANSACTION_unregisterUsageRequest:I
-Landroid/net/INetworkStatsService;->forceUpdateIfaces([Landroid/net/Network;)V
-Landroid/net/INetworkStatsService;->getDetailedUidStats([Ljava/lang/String;)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsService;->getIfaceStats(Ljava/lang/String;I)J
-Landroid/net/INetworkStatsService;->getTotalStats(I)J
-Landroid/net/INetworkStatsService;->getUidStats(II)J
-Landroid/net/INetworkStatsService;->incrementOperationCount(III)V
-Landroid/net/INetworkStatsService;->registerUsageCallback(Ljava/lang/String;Landroid/net/DataUsageRequest;Landroid/os/Messenger;Landroid/os/IBinder;)Landroid/net/DataUsageRequest;
-Landroid/net/INetworkStatsService;->unregisterUsageRequest(Landroid/net/DataUsageRequest;)V
-Landroid/net/INetworkStatsSession$Stub$Proxy;-><init>(Landroid/os/IBinder;)V
-Landroid/net/INetworkStatsSession$Stub$Proxy;->close()V
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getDeviceSummaryForNetwork(Landroid/net/NetworkTemplate;JJ)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getHistoryForNetwork(Landroid/net/NetworkTemplate;I)Landroid/net/NetworkStatsHistory;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getHistoryForUid(Landroid/net/NetworkTemplate;IIII)Landroid/net/NetworkStatsHistory;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getHistoryIntervalForUid(Landroid/net/NetworkTemplate;IIIIJJ)Landroid/net/NetworkStatsHistory;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getInterfaceDescriptor()Ljava/lang/String;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getRelevantUids()[I
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getSummaryForAllUid(Landroid/net/NetworkTemplate;JJZ)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->getSummaryForNetwork(Landroid/net/NetworkTemplate;JJ)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsSession$Stub$Proxy;->mRemote:Landroid/os/IBinder;
-Landroid/net/INetworkStatsSession$Stub;-><init>()V
-Landroid/net/INetworkStatsSession$Stub;->asInterface(Landroid/os/IBinder;)Landroid/net/INetworkStatsSession;
-Landroid/net/INetworkStatsSession$Stub;->DESCRIPTOR:Ljava/lang/String;
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_close:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getDeviceSummaryForNetwork:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getHistoryForNetwork:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getHistoryForUid:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getHistoryIntervalForUid:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getRelevantUids:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getSummaryForAllUid:I
-Landroid/net/INetworkStatsSession$Stub;->TRANSACTION_getSummaryForNetwork:I
-Landroid/net/INetworkStatsSession;->getDeviceSummaryForNetwork(Landroid/net/NetworkTemplate;JJ)Landroid/net/NetworkStats;
-Landroid/net/INetworkStatsSession;->getHistoryIntervalForUid(Landroid/net/NetworkTemplate;IIIIJJ)Landroid/net/NetworkStatsHistory;
-Landroid/net/INetworkStatsSession;->getRelevantUids()[I
 Landroid/net/InterfaceConfiguration;->CREATOR:Landroid/os/Parcelable$Creator;
 Landroid/net/InterfaceConfiguration;->FLAG_DOWN:Ljava/lang/String;
 Landroid/net/InterfaceConfiguration;->FLAG_UP:Ljava/lang/String;
@@ -36529,41 +36388,6 @@ Landroid/net/SSLSessionCache;->TAG:Ljava/lang/String;
 Landroid/net/StringNetworkSpecifier;-><init>(Ljava/lang/String;)V
 Landroid/net/StringNetworkSpecifier;->CREATOR:Landroid/os/Parcelable$Creator;
 Landroid/net/StringNetworkSpecifier;->satisfiedBy(Landroid/net/NetworkSpecifier;)Z
-Landroid/net/TrafficStats;->addIfSupported(J)J
-Landroid/net/TrafficStats;->closeQuietly(Landroid/net/INetworkStatsSession;)V
-Landroid/net/TrafficStats;->GB_IN_BYTES:J
-Landroid/net/TrafficStats;->getDataLayerSnapshotForUid(Landroid/content/Context;)Landroid/net/NetworkStats;
-Landroid/net/TrafficStats;->getRxPackets(Ljava/lang/String;)J
-Landroid/net/TrafficStats;->getTxPackets(Ljava/lang/String;)J
-Landroid/net/TrafficStats;->KB_IN_BYTES:J
-Landroid/net/TrafficStats;->LOOPBACK_IFACE:Ljava/lang/String;
-Landroid/net/TrafficStats;->MB_IN_BYTES:J
-Landroid/net/TrafficStats;->PB_IN_BYTES:J
-Landroid/net/TrafficStats;->sActiveProfilingStart:Landroid/net/NetworkStats;
-Landroid/net/TrafficStats;->sProfilingLock:Ljava/lang/Object;
-Landroid/net/TrafficStats;->sStatsService:Landroid/net/INetworkStatsService;
-Landroid/net/TrafficStats;->startDataProfiling(Landroid/content/Context;)V
-Landroid/net/TrafficStats;->stopDataProfiling(Landroid/content/Context;)Landroid/net/NetworkStats;
-Landroid/net/TrafficStats;->TAG_SYSTEM_APP:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_BACKUP:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_DHCP:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_DOWNLOAD:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_GPS:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_MEDIA:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_NEIGHBOR:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_NTP:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_PAC:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_PROBE:I
-Landroid/net/TrafficStats;->TAG_SYSTEM_RESTORE:I
-Landroid/net/TrafficStats;->TB_IN_BYTES:J
-Landroid/net/TrafficStats;->TYPE_RX_BYTES:I
-Landroid/net/TrafficStats;->TYPE_RX_PACKETS:I
-Landroid/net/TrafficStats;->TYPE_TCP_RX_PACKETS:I
-Landroid/net/TrafficStats;->TYPE_TCP_TX_PACKETS:I
-Landroid/net/TrafficStats;->TYPE_TX_BYTES:I
-Landroid/net/TrafficStats;->TYPE_TX_PACKETS:I
-Landroid/net/TrafficStats;->UID_REMOVED:I
-Landroid/net/TrafficStats;->UID_TETHERING:I
 Landroid/net/Uri$AbstractHierarchicalUri;-><init>()V
 Landroid/net/Uri$AbstractHierarchicalUri;->getUserInfoPart()Landroid/net/Uri$Part;
 Landroid/net/Uri$AbstractHierarchicalUri;->host:Ljava/lang/String;
diff --git a/boot/hiddenapi/hiddenapi-unsupported.txt b/boot/hiddenapi/hiddenapi-unsupported.txt
index 002d42dbf1dc3..e47149b7e671d 100644
--- a/boot/hiddenapi/hiddenapi-unsupported.txt
+++ b/boot/hiddenapi/hiddenapi-unsupported.txt
@@ -170,9 +170,6 @@ Landroid/media/tv/ITvRemoteProvider$Stub;-><init>()V
 Landroid/net/INetworkManagementEventObserver$Stub;-><init>()V
 Landroid/net/INetworkPolicyManager$Stub;->asInterface(Landroid/os/IBinder;)Landroid/net/INetworkPolicyManager;
 Landroid/net/INetworkScoreService$Stub;->asInterface(Landroid/os/IBinder;)Landroid/net/INetworkScoreService;
-Landroid/net/INetworkStatsService$Stub$Proxy;-><init>(Landroid/os/IBinder;)V
-Landroid/net/INetworkStatsService$Stub$Proxy;->getMobileIfaces()[Ljava/lang/String;
-Landroid/net/INetworkStatsService$Stub;->asInterface(Landroid/os/IBinder;)Landroid/net/INetworkStatsService;
 Landroid/os/IBatteryPropertiesRegistrar$Stub$Proxy;-><init>(Landroid/os/IBinder;)V
 Landroid/os/IDeviceIdentifiersPolicyService$Stub;->asInterface(Landroid/os/IBinder;)Landroid/os/IDeviceIdentifiersPolicyService;
 Landroid/os/IDeviceIdleController$Stub;->asInterface(Landroid/os/IBinder;)Landroid/os/IDeviceIdleController;
diff --git a/core/api/current.txt b/core/api/current.txt
index be283da586f33..a6a8ec0b3e938 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -8346,62 +8346,6 @@ package android.app.usage {
     field @NonNull public static final android.os.Parcelable.Creator<android.app.usage.ExternalStorageStats> CREATOR;
   }
 
-  public final class NetworkStats implements java.lang.AutoCloseable {
-    method public void close();
-    method public boolean getNextBucket(android.app.usage.NetworkStats.Bucket);
-    method public boolean hasNextBucket();
-  }
-
-  public static class NetworkStats.Bucket {
-    ctor public NetworkStats.Bucket();
-    method public int getDefaultNetworkStatus();
-    method public long getEndTimeStamp();
-    method public int getMetered();
-    method public int getRoaming();
-    method public long getRxBytes();
-    method public long getRxPackets();
-    method public long getStartTimeStamp();
-    method public int getState();
-    method public int getTag();
-    method public long getTxBytes();
-    method public long getTxPackets();
-    method public int getUid();
-    field public static final int DEFAULT_NETWORK_ALL = -1; // 0xffffffff
-    field public static final int DEFAULT_NETWORK_NO = 1; // 0x1
-    field public static final int DEFAULT_NETWORK_YES = 2; // 0x2
-    field public static final int METERED_ALL = -1; // 0xffffffff
-    field public static final int METERED_NO = 1; // 0x1
-    field public static final int METERED_YES = 2; // 0x2
-    field public static final int ROAMING_ALL = -1; // 0xffffffff
-    field public static final int ROAMING_NO = 1; // 0x1
-    field public static final int ROAMING_YES = 2; // 0x2
-    field public static final int STATE_ALL = -1; // 0xffffffff
-    field public static final int STATE_DEFAULT = 1; // 0x1
-    field public static final int STATE_FOREGROUND = 2; // 0x2
-    field public static final int TAG_NONE = 0; // 0x0
-    field public static final int UID_ALL = -1; // 0xffffffff
-    field public static final int UID_REMOVED = -4; // 0xfffffffc
-    field public static final int UID_TETHERING = -5; // 0xfffffffb
-  }
-
-  public class NetworkStatsManager {
-    method @WorkerThread public android.app.usage.NetworkStats queryDetails(int, String, long, long) throws android.os.RemoteException, java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats queryDetailsForUid(int, String, long, long, int) throws java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats queryDetailsForUidTag(int, String, long, long, int, int) throws java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats queryDetailsForUidTagState(int, String, long, long, int, int, int) throws java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats querySummary(int, String, long, long) throws android.os.RemoteException, java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats.Bucket querySummaryForDevice(int, String, long, long) throws android.os.RemoteException, java.lang.SecurityException;
-    method @WorkerThread public android.app.usage.NetworkStats.Bucket querySummaryForUser(int, String, long, long) throws android.os.RemoteException, java.lang.SecurityException;
-    method public void registerUsageCallback(int, String, long, android.app.usage.NetworkStatsManager.UsageCallback);
-    method public void registerUsageCallback(int, String, long, android.app.usage.NetworkStatsManager.UsageCallback, @Nullable android.os.Handler);
-    method public void unregisterUsageCallback(android.app.usage.NetworkStatsManager.UsageCallback);
-  }
-
-  public abstract static class NetworkStatsManager.UsageCallback {
-    ctor public NetworkStatsManager.UsageCallback();
-    method public abstract void onThresholdReached(int, String);
-  }
-
   public final class StorageStats implements android.os.Parcelable {
     method public int describeContents();
     method public long getAppBytes();
@@ -25426,50 +25370,6 @@ package android.net {
     method @NonNull public android.net.TelephonyNetworkSpecifier.Builder setSubscriptionId(int);
   }
 
-  public class TrafficStats {
-    ctor public TrafficStats();
-    method public static void clearThreadStatsTag();
-    method public static void clearThreadStatsUid();
-    method public static int getAndSetThreadStatsTag(int);
-    method public static long getMobileRxBytes();
-    method public static long getMobileRxPackets();
-    method public static long getMobileTxBytes();
-    method public static long getMobileTxPackets();
-    method public static long getRxBytes(@NonNull String);
-    method public static long getRxPackets(@NonNull String);
-    method public static int getThreadStatsTag();
-    method public static int getThreadStatsUid();
-    method public static long getTotalRxBytes();
-    method public static long getTotalRxPackets();
-    method public static long getTotalTxBytes();
-    method public static long getTotalTxPackets();
-    method public static long getTxBytes(@NonNull String);
-    method public static long getTxPackets(@NonNull String);
-    method public static long getUidRxBytes(int);
-    method public static long getUidRxPackets(int);
-    method @Deprecated public static long getUidTcpRxBytes(int);
-    method @Deprecated public static long getUidTcpRxSegments(int);
-    method @Deprecated public static long getUidTcpTxBytes(int);
-    method @Deprecated public static long getUidTcpTxSegments(int);
-    method public static long getUidTxBytes(int);
-    method public static long getUidTxPackets(int);
-    method @Deprecated public static long getUidUdpRxBytes(int);
-    method @Deprecated public static long getUidUdpRxPackets(int);
-    method @Deprecated public static long getUidUdpTxBytes(int);
-    method @Deprecated public static long getUidUdpTxPackets(int);
-    method public static void incrementOperationCount(int);
-    method public static void incrementOperationCount(int, int);
-    method public static void setThreadStatsTag(int);
-    method public static void setThreadStatsUid(int);
-    method public static void tagDatagramSocket(java.net.DatagramSocket) throws java.net.SocketException;
-    method public static void tagFileDescriptor(java.io.FileDescriptor) throws java.io.IOException;
-    method public static void tagSocket(java.net.Socket) throws java.net.SocketException;
-    method public static void untagDatagramSocket(java.net.DatagramSocket) throws java.net.SocketException;
-    method public static void untagFileDescriptor(java.io.FileDescriptor) throws java.io.IOException;
-    method public static void untagSocket(java.net.Socket) throws java.net.SocketException;
-    field public static final int UNSUPPORTED = -1; // 0xffffffff
-  }
-
   public abstract class Uri implements java.lang.Comparable<android.net.Uri> android.os.Parcelable {
     method public abstract android.net.Uri.Builder buildUpon();
     method public int compareTo(android.net.Uri);
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index bcdd0a4664d75..a9f0d2e54b21f 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -51,31 +51,6 @@ package android.app {
 
 }
 
-package android.app.usage {
-
-  public class NetworkStatsManager {
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void forceUpdate();
-    method public static int getCollapsedRatType(int);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void notifyNetworkStatus(@NonNull java.util.List<android.net.Network>, @NonNull java.util.List<android.net.NetworkStateSnapshot>, @Nullable String, @NonNull java.util.List<android.net.UnderlyingNetworkInfo>);
-    method @NonNull @WorkerThread public android.app.usage.NetworkStats queryDetailsForDevice(@NonNull android.net.NetworkTemplate, long, long);
-    method @NonNull @WorkerThread public android.app.usage.NetworkStats queryDetailsForUidTagState(@NonNull android.net.NetworkTemplate, long, long, int, int, int) throws java.lang.SecurityException;
-    method @NonNull @WorkerThread public android.app.usage.NetworkStats querySummary(@NonNull android.net.NetworkTemplate, long, long) throws java.lang.SecurityException;
-    method @NonNull @WorkerThread public android.app.usage.NetworkStats.Bucket querySummaryForDevice(@NonNull android.net.NetworkTemplate, long, long);
-    method @NonNull @WorkerThread public android.app.usage.NetworkStats queryTaggedSummary(@NonNull android.net.NetworkTemplate, long, long) throws java.lang.SecurityException;
-    method public void registerUsageCallback(@NonNull android.net.NetworkTemplate, long, @NonNull java.util.concurrent.Executor, @NonNull android.app.usage.NetworkStatsManager.UsageCallback);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setDefaultGlobalAlert(long);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setPollOnOpen(boolean);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setStatsProviderWarningAndLimitAsync(@NonNull String, long, long);
-    method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK}) public void setUidForeground(int, boolean);
-    field public static final int NETWORK_TYPE_5G_NSA = -2; // 0xfffffffe
-  }
-
-  public abstract static class NetworkStatsManager.UsageCallback {
-    method public void onThresholdReached(@NonNull android.net.NetworkTemplate);
-  }
-
-}
-
 package android.content {
 
   public abstract class ContentProvider implements android.content.ComponentCallbacks2 {
@@ -238,32 +213,6 @@ package android.net {
     ctor public LocalSocket(@NonNull java.io.FileDescriptor);
   }
 
-  public class NetworkIdentity {
-    method public int getOemManaged();
-    method public int getRatType();
-    method @Nullable public String getSubscriberId();
-    method public int getType();
-    method @Nullable public String getWifiNetworkKey();
-    method public boolean isDefaultNetwork();
-    method public boolean isMetered();
-    method public boolean isRoaming();
-  }
-
-  public static final class NetworkIdentity.Builder {
-    ctor public NetworkIdentity.Builder();
-    method @NonNull public android.net.NetworkIdentity build();
-    method @NonNull public android.net.NetworkIdentity.Builder clearRatType();
-    method @NonNull public android.net.NetworkIdentity.Builder setDefaultNetwork(boolean);
-    method @NonNull public android.net.NetworkIdentity.Builder setMetered(boolean);
-    method @NonNull public android.net.NetworkIdentity.Builder setNetworkStateSnapshot(@NonNull android.net.NetworkStateSnapshot);
-    method @NonNull public android.net.NetworkIdentity.Builder setOemManaged(int);
-    method @NonNull public android.net.NetworkIdentity.Builder setRatType(int);
-    method @NonNull public android.net.NetworkIdentity.Builder setRoaming(boolean);
-    method @NonNull public android.net.NetworkIdentity.Builder setSubscriberId(@Nullable String);
-    method @NonNull public android.net.NetworkIdentity.Builder setType(int);
-    method @NonNull public android.net.NetworkIdentity.Builder setWifiNetworkKey(@Nullable String);
-  }
-
   public class NetworkPolicyManager {
     method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getMultipathPreference(@NonNull android.net.Network);
     method @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public int getRestrictBackgroundStatus(int);
@@ -279,94 +228,6 @@ package android.net {
     method public default void onUidBlockedReasonChanged(int, int);
   }
 
-  public final class NetworkStateSnapshot implements android.os.Parcelable {
-    ctor public NetworkStateSnapshot(@NonNull android.net.Network, @NonNull android.net.NetworkCapabilities, @NonNull android.net.LinkProperties, @Nullable String, int);
-    method public int describeContents();
-    method public int getLegacyType();
-    method @NonNull public android.net.LinkProperties getLinkProperties();
-    method @NonNull public android.net.Network getNetwork();
-    method @NonNull public android.net.NetworkCapabilities getNetworkCapabilities();
-    method @Nullable public String getSubscriberId();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStateSnapshot> CREATOR;
-  }
-
-  public class NetworkStatsCollection {
-    method @NonNull public java.util.Map<android.net.NetworkStatsCollection.Key,android.net.NetworkStatsHistory> getEntries();
-  }
-
-  public static final class NetworkStatsCollection.Builder {
-    ctor public NetworkStatsCollection.Builder(long);
-    method @NonNull public android.net.NetworkStatsCollection.Builder addEntry(@NonNull android.net.NetworkStatsCollection.Key, @NonNull android.net.NetworkStatsHistory);
-    method @NonNull public android.net.NetworkStatsCollection build();
-  }
-
-  public static class NetworkStatsCollection.Key {
-    ctor public NetworkStatsCollection.Key(@NonNull java.util.Set<android.net.NetworkIdentity>, int, int, int);
-  }
-
-  public final class NetworkStatsHistory implements android.os.Parcelable {
-    method public int describeContents();
-    method @NonNull public java.util.List<android.net.NetworkStatsHistory.Entry> getEntries();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStatsHistory> CREATOR;
-  }
-
-  public static final class NetworkStatsHistory.Builder {
-    ctor public NetworkStatsHistory.Builder(long, int);
-    method @NonNull public android.net.NetworkStatsHistory.Builder addEntry(@NonNull android.net.NetworkStatsHistory.Entry);
-    method @NonNull public android.net.NetworkStatsHistory build();
-  }
-
-  public static final class NetworkStatsHistory.Entry {
-    ctor public NetworkStatsHistory.Entry(long, long, long, long, long, long, long);
-    method public long getActiveTime();
-    method public long getBucketStart();
-    method public long getOperations();
-    method public long getRxBytes();
-    method public long getRxPackets();
-    method public long getTxBytes();
-    method public long getTxPackets();
-  }
-
-  public final class NetworkTemplate implements android.os.Parcelable {
-    method public int describeContents();
-    method public int getDefaultNetworkStatus();
-    method public int getMatchRule();
-    method public int getMeteredness();
-    method public int getOemManaged();
-    method public int getRatType();
-    method public int getRoaming();
-    method @NonNull public java.util.Set<java.lang.String> getSubscriberIds();
-    method @NonNull public java.util.Set<java.lang.String> getWifiNetworkKeys();
-    method public boolean matches(@NonNull android.net.NetworkIdentity);
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkTemplate> CREATOR;
-    field public static final int MATCH_BLUETOOTH = 8; // 0x8
-    field public static final int MATCH_CARRIER = 10; // 0xa
-    field public static final int MATCH_ETHERNET = 5; // 0x5
-    field public static final int MATCH_MOBILE = 1; // 0x1
-    field public static final int MATCH_WIFI = 4; // 0x4
-    field public static final int NETWORK_TYPE_ALL = -1; // 0xffffffff
-    field public static final int OEM_MANAGED_ALL = -1; // 0xffffffff
-    field public static final int OEM_MANAGED_NO = 0; // 0x0
-    field public static final int OEM_MANAGED_PAID = 1; // 0x1
-    field public static final int OEM_MANAGED_PRIVATE = 2; // 0x2
-    field public static final int OEM_MANAGED_YES = -2; // 0xfffffffe
-  }
-
-  public static final class NetworkTemplate.Builder {
-    ctor public NetworkTemplate.Builder(int);
-    method @NonNull public android.net.NetworkTemplate build();
-    method @NonNull public android.net.NetworkTemplate.Builder setDefaultNetworkStatus(int);
-    method @NonNull public android.net.NetworkTemplate.Builder setMeteredness(int);
-    method @NonNull public android.net.NetworkTemplate.Builder setOemManaged(int);
-    method @NonNull public android.net.NetworkTemplate.Builder setRatType(int);
-    method @NonNull public android.net.NetworkTemplate.Builder setRoaming(int);
-    method @NonNull public android.net.NetworkTemplate.Builder setSubscriberIds(@NonNull java.util.Set<java.lang.String>);
-    method @NonNull public android.net.NetworkTemplate.Builder setWifiNetworkKeys(@NonNull java.util.Set<java.lang.String>);
-  }
-
   public class NetworkWatchlistManager {
     method @Nullable public byte[] getWatchlistConfigHash();
   }
@@ -385,21 +246,6 @@ package android.net {
     method public static void setHttpProxyConfiguration(@Nullable android.net.ProxyInfo);
   }
 
-  public class TrafficStats {
-    method public static void attachSocketTagger();
-    method public static void init(@NonNull android.content.Context);
-  }
-
-  public final class UnderlyingNetworkInfo implements android.os.Parcelable {
-    ctor public UnderlyingNetworkInfo(int, @NonNull String, @NonNull java.util.List<java.lang.String>);
-    method public int describeContents();
-    method @NonNull public String getInterface();
-    method public int getOwnerUid();
-    method @NonNull public java.util.List<java.lang.String> getUnderlyingInterfaces();
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.UnderlyingNetworkInfo> CREATOR;
-  }
-
   public class VpnManager {
     field public static final int TYPE_VPN_LEGACY = 3; // 0x3
     field public static final int TYPE_VPN_NONE = -1; // 0xffffffff
diff --git a/core/api/removed.txt b/core/api/removed.txt
index bf8642223ef5c..32a46735abea3 100644
--- a/core/api/removed.txt
+++ b/core/api/removed.txt
@@ -260,10 +260,6 @@ package android.net {
     method @Deprecated public static org.apache.http.conn.ssl.SSLSocketFactory getHttpSocketFactory(int, android.net.SSLSessionCache);
   }
 
-  public class TrafficStats {
-    method @Deprecated public static void setThreadStatsUidSelf();
-  }
-
 }
 
 package android.os {
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 90885ebdfc41e..14d38f0e71800 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -1858,13 +1858,6 @@ package android.app.usage {
     field public static final String SERVICE_INTERFACE = "android.app.usage.CacheQuotaService";
   }
 
-  public class NetworkStatsManager {
-    method @NonNull @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public android.net.NetworkStats getMobileUidStats();
-    method @NonNull @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public android.net.NetworkStats getWifiUidStats();
-    method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STATS_PROVIDER, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void registerNetworkStatsProvider(@NonNull String, @NonNull android.net.netstats.provider.NetworkStatsProvider);
-    method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STATS_PROVIDER, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void unregisterNetworkStatsProvider(@NonNull android.net.netstats.provider.NetworkStatsProvider);
-  }
-
   public static final class UsageEvents.Event {
     method public int getInstanceId();
     method @Nullable public String getNotificationChannelId();
@@ -7163,48 +7156,6 @@ package android.net {
     field public static final String PERMISSION_MAINLINE_NETWORK_STACK = "android.permission.MAINLINE_NETWORK_STACK";
   }
 
-  public final class NetworkStats implements java.lang.Iterable<android.net.NetworkStats.Entry> android.os.Parcelable {
-    ctor public NetworkStats(long, int);
-    method @NonNull public android.net.NetworkStats add(@NonNull android.net.NetworkStats);
-    method @NonNull public android.net.NetworkStats addEntry(@NonNull android.net.NetworkStats.Entry);
-    method public int describeContents();
-    method @NonNull public java.util.Iterator<android.net.NetworkStats.Entry> iterator();
-    method @NonNull public android.net.NetworkStats subtract(@NonNull android.net.NetworkStats);
-    method public void writeToParcel(@NonNull android.os.Parcel, int);
-    field @NonNull public static final android.os.Parcelable.Creator<android.net.NetworkStats> CREATOR;
-    field public static final int DEFAULT_NETWORK_ALL = -1; // 0xffffffff
-    field public static final int DEFAULT_NETWORK_NO = 0; // 0x0
-    field public static final int DEFAULT_NETWORK_YES = 1; // 0x1
-    field public static final String IFACE_VT = "vt_data0";
-    field public static final int METERED_ALL = -1; // 0xffffffff
-    field public static final int METERED_NO = 0; // 0x0
-    field public static final int METERED_YES = 1; // 0x1
-    field public static final int ROAMING_ALL = -1; // 0xffffffff
-    field public static final int ROAMING_NO = 0; // 0x0
-    field public static final int ROAMING_YES = 1; // 0x1
-    field public static final int SET_ALL = -1; // 0xffffffff
-    field public static final int SET_DEFAULT = 0; // 0x0
-    field public static final int SET_FOREGROUND = 1; // 0x1
-    field public static final int TAG_NONE = 0; // 0x0
-    field public static final int UID_ALL = -1; // 0xffffffff
-    field public static final int UID_TETHERING = -5; // 0xfffffffb
-  }
-
-  public static class NetworkStats.Entry {
-    ctor public NetworkStats.Entry(@Nullable String, int, int, int, int, int, int, long, long, long, long, long);
-    method public int getDefaultNetwork();
-    method public int getMetered();
-    method public long getOperations();
-    method public int getRoaming();
-    method public long getRxBytes();
-    method public long getRxPackets();
-    method public int getSet();
-    method public int getTag();
-    method public long getTxBytes();
-    method public long getTxPackets();
-    method public int getUid();
-  }
-
   public class RssiCurve implements android.os.Parcelable {
     ctor public RssiCurve(int, int, byte[]);
     ctor public RssiCurve(int, int, byte[], int);
@@ -7236,19 +7187,6 @@ package android.net {
     field public final android.net.RssiCurve rssiCurve;
   }
 
-  public class TrafficStats {
-    method public static void setThreadStatsTagApp();
-    method public static void setThreadStatsTagBackup();
-    method public static void setThreadStatsTagDownload();
-    method public static void setThreadStatsTagRestore();
-    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_END = -113; // 0xffffff8f
-    field public static final int TAG_NETWORK_STACK_IMPERSONATION_RANGE_START = -128; // 0xffffff80
-    field public static final int TAG_NETWORK_STACK_RANGE_END = -257; // 0xfffffeff
-    field public static final int TAG_NETWORK_STACK_RANGE_START = -768; // 0xfffffd00
-    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_END = -241; // 0xffffff0f
-    field public static final int TAG_SYSTEM_IMPERSONATION_RANGE_START = -256; // 0xffffff00
-  }
-
   public abstract class Uri implements java.lang.Comparable<android.net.Uri> android.os.Parcelable {
     method @NonNull public String toSafeString();
   }
@@ -7429,23 +7367,6 @@ package android.net.metrics {
 
 }
 
-package android.net.netstats.provider {
-
-  public abstract class NetworkStatsProvider {
-    ctor public NetworkStatsProvider();
-    method public void notifyAlertReached();
-    method public void notifyLimitReached();
-    method public void notifyStatsUpdated(int, @NonNull android.net.NetworkStats, @NonNull android.net.NetworkStats);
-    method public void notifyWarningReached();
-    method public abstract void onRequestStatsUpdate(int);
-    method public abstract void onSetAlert(long);
-    method public abstract void onSetLimit(@NonNull String, long);
-    method public void onSetWarningAndLimit(@NonNull String, long, long);
-    field public static final int QUOTA_UNLIMITED = -1; // 0xffffffff
-  }
-
-}
-
 package android.net.sip {
 
   @Deprecated public class SipAudioCall {
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 49078cd0ab191..00dcb6fd0543d 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -640,10 +640,6 @@ package android.app.prediction {
 
 package android.app.usage {
 
-  public class NetworkStatsManager {
-    method public void setPollForce(boolean);
-  }
-
   public class StorageStatsManager {
     method public boolean isQuotaSupported(@NonNull java.util.UUID);
     method public boolean isReservedSupported(@NonNull java.util.UUID);
@@ -1601,13 +1597,6 @@ package android.net {
     method @Nullable public byte[] getWatchlistConfigHash();
   }
 
-  public class TrafficStats {
-    method public static long getLoopbackRxBytes();
-    method public static long getLoopbackRxPackets();
-    method public static long getLoopbackTxBytes();
-    method public static long getLoopbackTxPackets();
-  }
-
 }
 
 package android.os {
diff --git a/core/jni/Android.bp b/core/jni/Android.bp
index 5fcc035608447..96e4d186ab7e1 100644
--- a/core/jni/Android.bp
+++ b/core/jni/Android.bp
@@ -302,8 +302,6 @@ cc_library_shared {
                 "libdl_android",
                 "libtimeinstate",
                 "server_configurable_flags",
-                // TODO: delete when ConnectivityT moves to APEX.
-                "libframework-connectivity-tiramisu-jni",
             ],
             export_shared_lib_headers: [
                 // our headers include libnativewindow's public headers
diff --git a/packages/ConnectivityT/framework-t/Android.bp b/packages/ConnectivityT/framework-t/Android.bp
index 6329565ca5675..b30e54d20b9ca 100644
--- a/packages/ConnectivityT/framework-t/Android.bp
+++ b/packages/ConnectivityT/framework-t/Android.bp
@@ -158,7 +158,6 @@ filegroup {
     name: "framework-connectivity-tiramisu-sources",
     srcs: [
         ":framework-connectivity-ethernet-sources",
-        ":framework-connectivity-netstats-sources",
     ],
     visibility: ["//frameworks/base"],
 }
@@ -167,6 +166,7 @@ filegroup {
     name: "framework-connectivity-tiramisu-updatable-sources",
     srcs: [
         ":framework-connectivity-ipsec-sources",
+        ":framework-connectivity-netstats-sources",
         ":framework-connectivity-nsd-sources",
         ":framework-connectivity-tiramisu-internal-sources",
     ],
@@ -202,7 +202,5 @@ cc_library_shared {
     stl: "none",
     apex_available: [
         "com.android.tethering",
-        // TODO: remove when ConnectivityT moves to APEX.
-        "//apex_available:platform",
     ],
 }
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
index 56faa52e82dff..4ebaf2b8cdb8d 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentity.java
@@ -184,14 +184,14 @@ public class NetworkIdentity {
     public void dumpDebug(ProtoOutputStream proto, long tag) {
         final long start = proto.start(tag);
 
-        proto.write(NetworkIdentityProto.TYPE, mType);
+        proto.write(NetworkIdentityProto.TYPE_FIELD_NUMBER, mType);
 
         // TODO: dump mRatType as well.
 
-        proto.write(NetworkIdentityProto.ROAMING, mRoaming);
-        proto.write(NetworkIdentityProto.METERED, mMetered);
-        proto.write(NetworkIdentityProto.DEFAULT_NETWORK, mDefaultNetwork);
-        proto.write(NetworkIdentityProto.OEM_MANAGED_NETWORK, mOemManaged);
+        proto.write(NetworkIdentityProto.ROAMING_FIELD_NUMBER, mRoaming);
+        proto.write(NetworkIdentityProto.METERED_FIELD_NUMBER, mMetered);
+        proto.write(NetworkIdentityProto.DEFAULT_NETWORK_FIELD_NUMBER, mDefaultNetwork);
+        proto.write(NetworkIdentityProto.OEM_MANAGED_NETWORK_FIELD_NUMBER, mOemManaged);
 
         proto.end(start);
     }
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
index dfa347f6f12bc..2236d70c3502c 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkIdentitySet.java
@@ -212,7 +212,7 @@ public class NetworkIdentitySet extends HashSet<NetworkIdentity> {
         final long start = proto.start(tag);
 
         for (NetworkIdentity ident : this) {
-            ident.dumpDebug(proto, NetworkIdentitySetProto.IDENTITIES);
+            ident.dumpDebug(proto, NetworkIdentitySetProto.IDENTITIES_FIELD_NUMBER);
         }
 
         proto.end(start);
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
index 735c44d5c87e7..67d48f0000d57 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsCollection.java
@@ -732,19 +732,19 @@ public class NetworkStatsCollection implements FileRotator.Reader, FileRotator.W
         final long start = proto.start(tag);
 
         for (Key key : getSortedKeys()) {
-            final long startStats = proto.start(NetworkStatsCollectionProto.STATS);
+            final long startStats = proto.start(NetworkStatsCollectionProto.STATS_FIELD_NUMBER);
 
             // Key
-            final long startKey = proto.start(NetworkStatsCollectionStatsProto.KEY);
-            key.ident.dumpDebug(proto, NetworkStatsCollectionKeyProto.IDENTITY);
-            proto.write(NetworkStatsCollectionKeyProto.UID, key.uid);
-            proto.write(NetworkStatsCollectionKeyProto.SET, key.set);
-            proto.write(NetworkStatsCollectionKeyProto.TAG, key.tag);
+            final long startKey = proto.start(NetworkStatsCollectionStatsProto.KEY_FIELD_NUMBER);
+            key.ident.dumpDebug(proto, NetworkStatsCollectionKeyProto.IDENTITY_FIELD_NUMBER);
+            proto.write(NetworkStatsCollectionKeyProto.UID_FIELD_NUMBER, key.uid);
+            proto.write(NetworkStatsCollectionKeyProto.SET_FIELD_NUMBER, key.set);
+            proto.write(NetworkStatsCollectionKeyProto.TAG_FIELD_NUMBER, key.tag);
             proto.end(startKey);
 
             // Value
             final NetworkStatsHistory history = mStats.get(key);
-            history.dumpDebug(proto, NetworkStatsCollectionStatsProto.HISTORY);
+            history.dumpDebug(proto, NetworkStatsCollectionStatsProto.HISTORY_FIELD_NUMBER);
             proto.end(startStats);
         }
 
diff --git a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
index 78c137073aaa4..822a16e0bb411 100644
--- a/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
+++ b/packages/ConnectivityT/framework-t/src/android/net/NetworkStatsHistory.java
@@ -915,17 +915,18 @@ public final class NetworkStatsHistory implements Parcelable {
     public void dumpDebug(ProtoOutputStream proto, long tag) {
         final long start = proto.start(tag);
 
-        proto.write(NetworkStatsHistoryProto.BUCKET_DURATION_MS, bucketDuration);
+        proto.write(NetworkStatsHistoryProto.BUCKET_DURATION_MS_FIELD_NUMBER, bucketDuration);
 
         for (int i = 0; i < bucketCount; i++) {
-            final long startBucket = proto.start(NetworkStatsHistoryProto.BUCKETS);
+            final long startBucket = proto.start(NetworkStatsHistoryProto.BUCKETS_FIELD_NUMBER);
 
-            proto.write(NetworkStatsHistoryBucketProto.BUCKET_START_MS, bucketStart[i]);
-            dumpDebug(proto, NetworkStatsHistoryBucketProto.RX_BYTES, rxBytes, i);
-            dumpDebug(proto, NetworkStatsHistoryBucketProto.RX_PACKETS, rxPackets, i);
-            dumpDebug(proto, NetworkStatsHistoryBucketProto.TX_BYTES, txBytes, i);
-            dumpDebug(proto, NetworkStatsHistoryBucketProto.TX_PACKETS, txPackets, i);
-            dumpDebug(proto, NetworkStatsHistoryBucketProto.OPERATIONS, operations, i);
+            proto.write(NetworkStatsHistoryBucketProto.BUCKET_START_MS_FIELD_NUMBER,
+                    bucketStart[i]);
+            dumpDebug(proto, NetworkStatsHistoryBucketProto.RX_BYTES_FIELD_NUMBER, rxBytes, i);
+            dumpDebug(proto, NetworkStatsHistoryBucketProto.RX_PACKETS_FIELD_NUMBER, rxPackets, i);
+            dumpDebug(proto, NetworkStatsHistoryBucketProto.TX_BYTES_FIELD_NUMBER, txBytes, i);
+            dumpDebug(proto, NetworkStatsHistoryBucketProto.TX_PACKETS_FIELD_NUMBER, txPackets, i);
+            dumpDebug(proto, NetworkStatsHistoryBucketProto.OPERATIONS_FIELD_NUMBER, operations, i);
 
             proto.end(startBucket);
         }
diff --git a/packages/ConnectivityT/service/Android.bp b/packages/ConnectivityT/service/Android.bp
index c3049dabefc2b..502c56a7fbca8 100644
--- a/packages/ConnectivityT/service/Android.bp
+++ b/packages/ConnectivityT/service/Android.bp
@@ -88,7 +88,6 @@ filegroup {
     name: "services.connectivity-tiramisu-sources",
     srcs: [
         ":services.connectivity-ethernet-sources",
-        ":services.connectivity-netstats-sources",
     ],
     path: "src",
     visibility: ["//frameworks/base/services/core"],
@@ -98,6 +97,7 @@ filegroup {
     name: "services.connectivity-tiramisu-updatable-sources",
     srcs: [
         ":services.connectivity-ipsec-sources",
+        ":services.connectivity-netstats-sources",
         ":services.connectivity-nsd-sources",
     ],
     path: "src",
diff --git a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsRecorder.java b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsRecorder.java
index c371f0859aa1f..a006cd5975689 100644
--- a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsRecorder.java
+++ b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsRecorder.java
@@ -471,9 +471,11 @@ public class NetworkStatsRecorder {
     public void dumpDebugLocked(ProtoOutputStream proto, long tag) {
         final long start = proto.start(tag);
         if (mPending != null) {
-            proto.write(NetworkStatsRecorderProto.PENDING_TOTAL_BYTES, mPending.getTotalBytes());
+            proto.write(NetworkStatsRecorderProto.PENDING_TOTAL_BYTES_FIELD_NUMBER,
+                    mPending.getTotalBytes());
         }
-        getOrLoadCompleteLocked().dumpDebug(proto, NetworkStatsRecorderProto.COMPLETE_HISTORY);
+        getOrLoadCompleteLocked().dumpDebug(proto,
+                NetworkStatsRecorderProto.COMPLETE_HISTORY_FIELD_NUMBER);
         proto.end(start);
     }
 
diff --git a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
index b1936231148cc..fa24d27475e63 100644
--- a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
+++ b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsService.java
@@ -63,6 +63,7 @@ import static com.android.net.module.util.NetworkStatsUtils.LIMIT_GLOBAL_ALERT;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.app.AlarmManager;
 import android.app.PendingIntent;
 import android.app.usage.NetworkStatsManager;
@@ -103,6 +104,7 @@ import android.net.netstats.provider.INetworkStatsProvider;
 import android.net.netstats.provider.INetworkStatsProviderCallback;
 import android.net.netstats.provider.NetworkStatsProvider;
 import android.os.Binder;
+import android.os.Build;
 import android.os.DropBoxManager;
 import android.os.Environment;
 import android.os.Handler;
@@ -169,6 +171,7 @@ import java.util.concurrent.TimeUnit;
  * Collect and persist detailed network statistics, and provide this data to
  * other system services.
  */
+@TargetApi(Build.VERSION_CODES.TIRAMISU)
 public class NetworkStatsService extends INetworkStatsService.Stub {
     static final String TAG = "NetworkStats";
     static final boolean LOGD = Log.isLoggable(TAG, Log.DEBUG);
@@ -2120,12 +2123,15 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
 
         // TODO Right now it writes all history.  Should it limit to the "since-boot" log?
 
-        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_INTERFACES, mActiveIfaces);
-        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_UID_INTERFACES, mActiveUidIfaces);
-        mDevRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.DEV_STATS);
-        mXtRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.XT_STATS);
-        mUidRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_STATS);
-        mUidTagRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_TAG_STATS);
+        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_INTERFACES_FIELD_NUMBER,
+                mActiveIfaces);
+        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_UID_INTERFACES_FIELD_NUMBER,
+                mActiveUidIfaces);
+        mDevRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.DEV_STATS_FIELD_NUMBER);
+        mXtRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.XT_STATS_FIELD_NUMBER);
+        mUidRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_STATS_FIELD_NUMBER);
+        mUidTagRecorder.dumpDebugLocked(proto,
+                NetworkStatsServiceDumpProto.UID_TAG_STATS_FIELD_NUMBER);
 
         proto.flush();
     }
@@ -2135,8 +2141,8 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
         for (int i = 0; i < ifaces.size(); i++) {
             final long start = proto.start(tag);
 
-            proto.write(NetworkInterfaceProto.INTERFACE, ifaces.keyAt(i));
-            ifaces.valueAt(i).dumpDebug(proto, NetworkInterfaceProto.IDENTITIES);
+            proto.write(NetworkInterfaceProto.INTERFACE_FIELD_NUMBER, ifaces.keyAt(i));
+            ifaces.valueAt(i).dumpDebug(proto, NetworkInterfaceProto.IDENTITIES_FIELD_NUMBER);
 
             proto.end(start);
         }
diff --git a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
index 5bba0b17aa42c..65ccd20072998 100644
--- a/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
+++ b/packages/ConnectivityT/service/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
@@ -23,7 +23,9 @@ import static android.telephony.TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NS
 import static android.telephony.TelephonyManager.NETWORK_TYPE_LTE;
 
 import android.annotation.NonNull;
+import android.annotation.TargetApi;
 import android.content.Context;
+import android.os.Build;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyCallback;
 import android.telephony.TelephonyDisplayInfo;
@@ -43,6 +45,7 @@ import java.util.concurrent.Executor;
 /**
  * Helper class that watches for events that are triggered per subscription.
  */
+@TargetApi(Build.VERSION_CODES.TIRAMISU)
 public class NetworkStatsSubscriptionsMonitor extends
         SubscriptionManager.OnSubscriptionsChangedListener {