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-dev am: 64b7b152  -s ours am: 5abd69e5 am: f7f452fd am: 8a168a7c  -s ours am: 298c104a am: d9e8bfb8
am: 8cb7a9fd

Change-Id: Ib54fc420bb43c312f72f5c72bb38b97550db9da9