Merge "audio: Use 'join' instead of 'stop' for stream workers" into main am: 592430c84e

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3192950

Change-Id: I7fd7876b9f79f70c78737b865bc740ea87aee79b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>