Merge "DO NOT MERGE Check caller for sending media key to global priority session" into lmp-dev am: 64b7b1522e  -s ours am: 5abd69e59a am: f7f452fd28 am: 8a168a7c5d  -s ours am: 298c104ae5
am: d9e8bfb8cf

Change-Id: I3f09cc3c507244d1999ed280002e1354d25db9d2