audio: Prevent priority inversions in aidl StreamWorker am: 0c174e9133 am: d6070e0abe

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2197181

Change-Id: Ie53e6a87c2029960979f9c58aa0f86d35e472449
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>