[automerger skipped] Merge "AudioTrack: Enforce worker thread join in dtor" into main am: 46dba6b3df -s ours

am skip reason: Merged-In I144710cb9865d45508d2f97402f748dad7e63a07 with SHA-1 1f95051c77 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3166084

Change-Id: Ided4c146789a9f6c0323623388d60b5f3e87611a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>