Merge "DO NOT MERGE Check caller for sending media key to telephony service"...

Merge "DO NOT MERGE Check caller for sending media key to telephony service" into klp-dev am: 5b052265 am: b38fbf98 am: 84ecab60  -s ours am: 5ac79fa0  -s ours am: 890f53a4 am: 1bf809c4 am: 6ad7c0f6  -s ours am: 1c278e56 am: bed76362 am: dd883c7e am: 83217912  -s ours am: c547eeda am: c9ceffd1
am: b22136c4  -s ours

Change-Id: If13e797bfef300a5f107c1e65ce78f31308ad486