Merge "MediaPlayerService: avoid invalid static cast" into lmp-dev am: e35213de2d am: 21cc1102b4 am: e13b8f2d61 am: 730c25e0dc am: 6a93a9e982
am: 71b72fc26f

Change-Id: If054e86cc711e7af545aff4da48af9fd59cd2b70