Hide Media*2 APIs

Bug: 76121592
Test: make update-api
Change-Id: I5bf3d1a0f42fd88073c54ec1106be7cfe096a5f6
diff --git a/api/current.txt b/api/current.txt
index 60a81c8..b66e47c 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -24482,29 +24482,6 @@
     field public static final int RATING_THUMB_UP_DOWN = 2; // 0x2
   }
 
-  public final class Rating2 {
-    method public static android.media.Rating2 fromBundle(android.content.Context, android.os.Bundle);
-    method public float getPercentRating();
-    method public int getRatingStyle();
-    method public float getStarRating();
-    method public boolean hasHeart();
-    method public boolean isRated();
-    method public boolean isThumbUp();
-    method public static android.media.Rating2 newHeartRating(android.content.Context, boolean);
-    method public static android.media.Rating2 newPercentageRating(android.content.Context, float);
-    method public static android.media.Rating2 newStarRating(android.content.Context, int, float);
-    method public static android.media.Rating2 newThumbRating(android.content.Context, boolean);
-    method public static android.media.Rating2 newUnratedRating(android.content.Context, int);
-    method public android.os.Bundle toBundle();
-    field public static final int RATING_3_STARS = 3; // 0x3
-    field public static final int RATING_4_STARS = 4; // 0x4
-    field public static final int RATING_5_STARS = 5; // 0x5
-    field public static final int RATING_HEART = 1; // 0x1
-    field public static final int RATING_NONE = 0; // 0x0
-    field public static final int RATING_PERCENTAGE = 6; // 0x6
-    field public static final int RATING_THUMB_UP_DOWN = 2; // 0x2
-  }
-
   public deprecated class RemoteControlClient {
     ctor public RemoteControlClient(android.app.PendingIntent);
     ctor public RemoteControlClient(android.app.PendingIntent, android.os.Looper);
diff --git a/media/java/android/media/Rating2.java b/media/java/android/media/Rating2.java
index 5f7a334..fc733bf 100644
--- a/media/java/android/media/Rating2.java
+++ b/media/java/android/media/Rating2.java
@@ -29,6 +29,7 @@
 import java.lang.annotation.RetentionPolicy;
 
 /**
+ * @hide
  * A class to encapsulate rating information used as content metadata.
  * A rating is defined by its rating style (see {@link #RATING_HEART},
  * {@link #RATING_THUMB_UP_DOWN}, {@link #RATING_3_STARS}, {@link #RATING_4_STARS},