Merge "Make binderDied(IBinder who) public API"

core/api/current.txt

@@ -30074,6 +30074,7 @@ package android.os {
 
   public static interface IBinder.DeathRecipient {
     method public void binderDied();
+    method public default void binderDied(@NonNull android.os.IBinder);
   }
 
   public interface IInterface {

core/java/android/os/IBinder.java

@@ -311,9 +311,11 @@ public interface IBinder {
         public void binderDied();
 
         /**
-         * @hide
+         * Interface for receiving a callback when the process hosting an IBinder
+         * has gone away.
+         * @param who The IBinder that has become invalid
          */
-        default void binderDied(IBinder who) {
+        default void binderDied(@NonNull IBinder who) {
             binderDied();
         }
     }