Merge "Hide APIs exposed for Telephony mainline which is no longer needed in R." am: beccb937dd

Change-Id: I0a7420ff72fc27d14ac8ba88f5839a7a28e092b2

core/java/android/app/ActivityManager.java

@@ -4356,9 +4356,9 @@ public class ActivityManager {
 
     /**
      * Register with {@link HomeVisibilityObserver} with ActivityManager.
+     * TODO: b/144351078 expose as SystemApi
      * @hide
      */
-    @SystemApi
     public void registerHomeVisibilityObserver(@NonNull HomeVisibilityObserver observer) {
         Preconditions.checkNotNull(observer);
         try {
@@ -4373,9 +4373,9 @@ public class ActivityManager {
 
     /**
      * Unregister with {@link HomeVisibilityObserver} with ActivityManager.
+     * TODO: b/144351078 expose as SystemApi
      * @hide
      */
-    @SystemApi
     public void unregisterHomeVisibilityObserver(@NonNull HomeVisibilityObserver observer) {
         Preconditions.checkNotNull(observer);
         try {

core/java/android/app/HomeVisibilityObserver.java

@@ -16,7 +16,6 @@
 
 package android.app;
 
-import android.annotation.SystemApi;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -28,9 +27,9 @@ import java.util.List;
  * An observer / callback to create and register by
  * {@link ActivityManager#registerHomeVisibilityObserver} so that it's triggered when
  * visibility of home page changes.
+ * TODO: b/144351078 expose as SystemApi
  * @hide
  */
-@SystemApi
 public abstract class HomeVisibilityObserver {
     private Context mContext;
     private ActivityManager mActivityManager;