Merge "AudioPolicyService: Acquire mutex for SoundTriggerSession" into mnc-dev am: e472e51100 am: 0a8a0c4474 am: ae465be454 am: b995c31415 am: d08327d1a2 am: 74f84d987b
am: 355a18f58d

Change-Id: I5f3a24175f1aa70fb1f8d62a449685e9103cad18