Merge "DO NOT MERGE Check caller for sending media key to global priority...

Merge "DO NOT MERGE Check caller for sending media key to global priority session" into lmp-mr1-dev am: 162c80bf am: e47b5adc am: bea0b3ec  -s ours am: 91ccfa1d am: 4167620d am: 2c9ad0ff
am: b6d6519e  -s ours

Change-Id: Idda087e0cbccf3e94dd23a41156cdcc14a4b2459