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

Change-Id: Id2538e101907fe6a3dc5cb284ecf93a392a047ba