Merge "AudioPolicyService: Acquire mutex for SoundTriggerSession" into lmp-dev am: 35a587cdc5 am: 27c4e661d4  -s ours am: ac43fbe5a6  -s ours am: f513923b38  -s ours
am: a421c87781  -s ours

Change-Id: I2b7a23bfad407e2123721d3276d3bfa6b9f0ee1f