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

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

Change-Id: I2c235376fafff8f114948ced8977f7d9394b9eff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>