AudioService - remove sendBroadcastToAll() from setMasterMuteInternalNoCallerCheck()

sendBroadcastToAll is a duplicate broadcast of MASTER_MUTE_CHANGED_ACTION. The same broadcast is called by sendMasterMuteUpdate.

Test: make
Bug: 144352459
Change-Id: I0f5283fe35521f04c04c159d42bd907fccfb226f
(cherry picked from commit 1ae52c25c81bab7d0aa5c1994ea604a4836027eb)

services/core/java/com/android/server/audio/AudioService.java

@@ -2776,10 +2776,6 @@ public class AudioService extends IAudioService.Stub
                 setSystemAudioMute(mute);
                 AudioSystem.setMasterMute(mute);
                 sendMasterMuteUpdate(mute, flags);
-
-                Intent intent = new Intent(AudioManager.MASTER_MUTE_CHANGED_ACTION);
-                intent.putExtra(AudioManager.EXTRA_MASTER_VOLUME_MUTED, mute);
-                sendBroadcastToAll(intent);
             }
         }
     }