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

Change-Id: I57e8a4e6b415683cba317afa012880b8ac12bff6