Add AudioFlinger to PatchPanel thread safety annotations

Test: atest AudioTrackTest AudioRecordTest
Test: atest AAudioTests AudioTrackOffloadTest
Test: atest AudioPlaybackCaptureTest
Test: Camera YouTube
Bug: 275748373
Change-Id: I50aaf6a5fdb3bd9dd9584dd11c6e1ab5b3a1d540
4 files changed