audio: Prevent priority inversions in aidl StreamWorker am: 0c174e9133 am: d6070e0abe am: e1c6613fc9 am: c69c80cdae

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

Change-Id: I95f0ac43c1bd0242c062973ce12e6c6d3fe1e02e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>