AudioFlinger: Use scoped_lock to prevent deadlock

Test: atest AudioTrackTest AudioRecordTest
Test: atest AAudioTests AudioTrackOffloadTest
Test: atest AudioPlaybackCaptureTest
Test: Camera YouTube
Bug: 282945023
Merged-In: I63906b09dcee8ed18202520aa5e823ec2362a327
Change-Id: I63906b09dcee8ed18202520aa5e823ec2362a327
1 file changed