[FUI25] Migrate NetworkPolicyManagerService to use ConnectivityManager

Test: atest NetworkPolicyManagerServiceTest
Bug: 174123988
Change-Id: I6512d3f704f35f2cc3555dcc40b46c7294d3b455

services/core/java/com/android/server/net/NetworkPolicyManagerService.java

@@ -431,7 +431,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
     private final CarrierConfigManager mCarrierConfigManager;
     private final MultipathPolicyTracker mMultipathPolicyTracker;
 
-    private IConnectivityManager mConnManager;
+    private ConnectivityManager mConnManager;
     private PowerManagerInternal mPowerManagerInternal;
     private PowerWhitelistManager mPowerWhitelistManager;
 
@@ -711,8 +711,9 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
                 new NetworkPolicyManagerInternalImpl());
     }
 
-    public void bindConnectivityManager(IConnectivityManager connManager) {
-        mConnManager = Objects.requireNonNull(connManager, "missing IConnectivityManager");
+    public void bindConnectivityManager() {
+        mConnManager = Objects.requireNonNull(mContext.getSystemService(ConnectivityManager.class),
+                "missing ConnectivityManager");
     }
 
     @GuardedBy("mUidRulesFirstLock")
@@ -943,7 +944,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
             mContext.registerReceiver(mCarrierConfigReceiver, carrierConfigFilter, null, mHandler);
 
             // listen for meteredness changes
-            mContext.getSystemService(ConnectivityManager.class).registerNetworkCallback(
+            mConnManager.registerNetworkCallback(
                     new NetworkRequest.Builder().build(), mNetworkCallback);
 
             mAppStandby.addListener(new NetPolicyAppIdleStateChangeListener());
@@ -1973,13 +1974,7 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
         if (LOGV) Slog.v(TAG, "updateNetworkRulesNL()");
         Trace.traceBegin(TRACE_TAG_NETWORK, "updateNetworkRulesNL");
 
-        final List<NetworkStateSnapshot> snapshots;
-        try {
-            snapshots = mConnManager.getAllNetworkStateSnapshot();
-        } catch (RemoteException e) {
-            // Cannot happen, service lives in system_server.
-            return;
-        }
+        final List<NetworkStateSnapshot> snapshots = mConnManager.getAllNetworkStateSnapshot();
 
         // First, generate identities of all connected networks so we can
         // quickly compare them against all defined policies below.

services/java/com/android/server/SystemServer.java

@@ -51,7 +51,6 @@ import android.graphics.GraphicsStatsService;
 import android.hardware.display.DisplayManagerInternal;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityModuleConnector;
-import android.net.IConnectivityManager;
 import android.net.NetworkStackClient;
 import android.os.BaseBundle;
 import android.os.Binder;
@@ -1107,7 +1106,6 @@ public final class SystemServer {
         VcnManagementService vcnManagement = null;
         NetworkStatsService networkStats = null;
         NetworkPolicyManagerService networkPolicy = null;
-        IConnectivityManager connectivity = null;
         NsdService serviceDiscovery = null;
         WindowManagerService wm = null;
         SerialService serial = null;
@@ -1631,10 +1629,7 @@ public final class SystemServer {
             // services to initialize.
             mSystemServiceManager.startServiceFromJar(CONNECTIVITY_SERVICE_INITIALIZER_CLASS,
                     CONNECTIVITY_SERVICE_APEX_PATH);
-            connectivity = IConnectivityManager.Stub.asInterface(
-                    ServiceManager.getService(Context.CONNECTIVITY_SERVICE));
-            // TODO: Use ConnectivityManager instead of ConnectivityService.
-            networkPolicy.bindConnectivityManager(connectivity);
+            networkPolicy.bindConnectivityManager();
             t.traceEnd();
 
             t.traceBegin("StartVpnManagerService");

services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java

@@ -108,7 +108,6 @@ import android.content.pm.PackageManager;
 import android.content.pm.Signature;
 import android.content.pm.UserInfo;
 import android.net.ConnectivityManager;
-import android.net.IConnectivityManager;
 import android.net.INetworkManagementEventObserver;
 import android.net.INetworkPolicyListener;
 import android.net.LinkProperties;
@@ -242,8 +241,7 @@ public class NetworkPolicyManagerServiceTest {
 
     private @Mock IActivityManager mActivityManager;
     private @Mock INetworkManagementService mNetworkManager;
-    private @Mock IConnectivityManager mConnManager;
-    private @Mock ConnectivityManager mConnectivityManager;
+    private @Mock ConnectivityManager mConnManager;
     private @Mock NotificationManager mNotifManager;
     private @Mock PackageManager mPackageManager;
     private @Mock IPackageManager mIpm;
@@ -361,7 +359,7 @@ public class NetworkPolicyManagerServiceTest {
                     case Context.NOTIFICATION_SERVICE:
                         return mNotifManager;
                     case Context.CONNECTIVITY_SERVICE:
-                        return mConnectivityManager;
+                        return mConnManager;
                     case Context.USER_SERVICE:
                         return mUserManager;
                     default:
@@ -390,7 +388,7 @@ public class NetworkPolicyManagerServiceTest {
         mFutureIntent = newRestrictBackgroundChangedFuture();
         mService = new NetworkPolicyManagerService(mServiceContext, mActivityManager,
                 mNetworkManager, mIpm, mClock, mPolicyDir, true);
-        mService.bindConnectivityManager(mConnManager);
+        mService.bindConnectivityManager();
         mPolicyListener = new NetworkPolicyListenerAnswer(mService);
 
         // Sets some common expectations.
@@ -429,7 +427,7 @@ public class NetworkPolicyManagerServiceTest {
         when(mUserManager.getUsers()).thenReturn(buildUserInfoList());
         when(mNetworkManager.isBandwidthControlEnabled()).thenReturn(true);
         when(mNetworkManager.setDataSaverModeEnabled(anyBoolean())).thenReturn(true);
-        doNothing().when(mConnectivityManager)
+        doNothing().when(mConnManager)
                 .registerNetworkCallback(any(), mNetworkCallbackCaptor.capture());
 
         // Create the expected carrier config