Adds flag argument to setMasterMute.

Adds flag argument to setMasterMute. This allows third parties to edit it
without showing the UI, for example.

TESTED = runs on Tungsten.

Change-Id: Idfd99a2476e60059cd93c9dfe07d03a389c3f5f5

Author: scrubskip

media/java/android/media/AudioManager.java

@@ -911,9 +911,18 @@ public boolean isStreamMute(int streamType) {
      * @hide
      */
     public void setMasterMute(boolean state) {
+        setMasterMute(state, FLAG_SHOW_UI);
+    }
+
+    /**
+     * set master mute state with optional flags.
+     *
+     * @hide
+     */
+    public void setMasterMute(boolean state, int flags) {
         IAudioService service = getService();
         try {
-            service.setMasterMute(state, mICallBack);
+            service.setMasterMute(state, flags, mICallBack);
         } catch (RemoteException e) {
             Log.e(TAG, "Dead object in setMasterMute", e);
         }

media/java/android/media/AudioService.java

@@ -779,13 +779,13 @@ public boolean isStreamMute(int streamType) {
     }
 
     /** @see AudioManager#setMasterMute(boolean, IBinder) */
-    public void setMasterMute(boolean state, IBinder cb) {
+    public void setMasterMute(boolean state, int flags, IBinder cb) {
         if (state != AudioSystem.getMasterMute()) {
             AudioSystem.setMasterMute(state);
             // Post a persist master volume msg
             sendMsg(mAudioHandler, MSG_PERSIST_MASTER_VOLUME_MUTE, 0, SENDMSG_REPLACE, state ? 1
                     : 0, 0, null, PERSIST_DELAY);
-            sendMasterMuteUpdate(state, AudioManager.FLAG_SHOW_UI);
+            sendMasterMuteUpdate(state, flags);
         }
     }
 

media/java/android/media/IAudioService.aidl

@@ -45,7 +45,7 @@ interface IAudioService {
 
     boolean isStreamMute(int streamType);
 
-    void setMasterMute(boolean state, IBinder cb);
+    void setMasterMute(boolean state, int flags, IBinder cb);
 
     boolean isMasterMute();