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

Change-Id: Ib4a702bd653ca1083ac4846ac4a6947ef91e2e33