Merge "MediaBrowserCompat: Unregister callbacks when disconnect" into mnc-ub-dev
am: 36797d5

* commit '36797d5d3282cbbb0ab8bfbe34aa359a4f99a16e':
  MediaBrowserCompat: Unregister callbacks when disconnect

Change-Id: Ief800720f36d3e98be6e67681b66b431c3b1a17e