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 am: 8cb7a9fdb0 am: a13096f4c5  -s ours am: 36aa253b2b
am: d4167d7a0b

Change-Id: Ia3ba184d8772425bdc8bc10d4122ef0229547571