audio: Add StreamWorker to aidl/common am: 614e4b5f16 am: 50970c04b9 am: 10ec4cde06

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2197180

Change-Id: I93604ae969d644be257873562ae280b6c2b412e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>