Merge "aaudio: fix command thread busy loop." am: 90f4e746 am: b5052662

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2314258



Change-Id: I65a5b94377bc6e1604b39671e0d691b71704eeca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>