diff --git a/api/system-current.txt b/api/system-current.txt
index 88d3e2c0b15b2..993e003917d9f 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -38564,6 +38564,22 @@ package android.provider {
     field public static final java.lang.String TYPE = "type";
   }
 
+  public final class TimeZoneRulesDataContract {
+    field public static final java.lang.String AUTHORITY = "com.android.timezone";
+  }
+
+  public static final class TimeZoneRulesDataContract.Operation {
+    field public static final java.lang.String COLUMN_DISTRO_MAJOR_VERSION = "distro_major_version";
+    field public static final java.lang.String COLUMN_DISTRO_MINOR_VERSION = "distro_minor_version";
+    field public static final java.lang.String COLUMN_REVISION = "revision";
+    field public static final java.lang.String COLUMN_RULES_VERSION = "rules_version";
+    field public static final java.lang.String COLUMN_TYPE = "type";
+    field public static final android.net.Uri CONTENT_URI;
+    field public static final java.lang.String TYPE_INSTALL = "INSTALL";
+    field public static final java.lang.String TYPE_NO_OP = "NOOP";
+    field public static final java.lang.String TYPE_UNINSTALL = "UNINSTALL";
+  }
+
   public class UserDictionary {
     ctor public UserDictionary();
     field public static final java.lang.String AUTHORITY = "user_dictionary";
diff --git a/core/java/android/app/timezone/Callback.java b/core/java/android/app/timezone/Callback.java
index b51e5bad0f69c..aea8038056ab5 100644
--- a/core/java/android/app/timezone/Callback.java
+++ b/core/java/android/app/timezone/Callback.java
@@ -27,7 +27,6 @@ import java.lang.annotation.RetentionPolicy;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public abstract class Callback {
 
     @Retention(RetentionPolicy.SOURCE)
diff --git a/core/java/android/app/timezone/DistroFormatVersion.java b/core/java/android/app/timezone/DistroFormatVersion.java
index e879e8f8adbc6..be732e4c0188e 100644
--- a/core/java/android/app/timezone/DistroFormatVersion.java
+++ b/core/java/android/app/timezone/DistroFormatVersion.java
@@ -35,7 +35,6 @@ import android.os.Parcelable;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public final class DistroFormatVersion implements Parcelable {
 
     private final int mMajorVersion;
diff --git a/core/java/android/app/timezone/DistroRulesVersion.java b/core/java/android/app/timezone/DistroRulesVersion.java
index 1eb9f45f48f12..a680594657ae7 100644
--- a/core/java/android/app/timezone/DistroRulesVersion.java
+++ b/core/java/android/app/timezone/DistroRulesVersion.java
@@ -36,7 +36,6 @@ import android.os.Parcelable;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public final class DistroRulesVersion implements Parcelable {
 
     private final String mRulesVersion;
diff --git a/core/java/android/app/timezone/RulesManager.java b/core/java/android/app/timezone/RulesManager.java
index 649d894ca6857..ad9b698a8fd7d 100644
--- a/core/java/android/app/timezone/RulesManager.java
+++ b/core/java/android/app/timezone/RulesManager.java
@@ -64,7 +64,6 @@ import java.util.Arrays;
  * {@link Context#TIME_ZONE_RULES_MANAGER_SERVICE}.
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public final class RulesManager {
     private static final String TAG = "timezone.RulesManager";
     private static final boolean DEBUG = false;
diff --git a/core/java/android/app/timezone/RulesState.java b/core/java/android/app/timezone/RulesState.java
index 7d6ad2119fb7d..ec247ebf502f0 100644
--- a/core/java/android/app/timezone/RulesState.java
+++ b/core/java/android/app/timezone/RulesState.java
@@ -60,7 +60,6 @@ import java.lang.annotation.RetentionPolicy;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public final class RulesState implements Parcelable {
 
     @Retention(RetentionPolicy.SOURCE)
diff --git a/core/java/android/app/timezone/RulesUpdaterContract.java b/core/java/android/app/timezone/RulesUpdaterContract.java
index 07b2f33ef5e0b..9c62f46b6e36a 100644
--- a/core/java/android/app/timezone/RulesUpdaterContract.java
+++ b/core/java/android/app/timezone/RulesUpdaterContract.java
@@ -27,7 +27,6 @@ import android.os.UserHandle;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
 public final class RulesUpdaterContract {
 
     /**
diff --git a/core/java/android/provider/TimeZoneRulesDataContract.java b/core/java/android/provider/TimeZoneRulesDataContract.java
index a607563123108..33d25880226eb 100644
--- a/core/java/android/provider/TimeZoneRulesDataContract.java
+++ b/core/java/android/provider/TimeZoneRulesDataContract.java
@@ -16,6 +16,7 @@
 
 package android.provider;
 
+import android.annotation.SystemApi;
 import android.net.Uri;
 
 /**
@@ -24,7 +25,7 @@ import android.net.Uri;
  *
  * @hide
  */
-// TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728
+@SystemApi
 public final class TimeZoneRulesDataContract {
 
     private TimeZoneRulesDataContract() {}