Merge "audio: Start Binder pool thread explicitly" into main am: 08c7c29c11

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3228808

Change-Id: If5ba5e367257abd83244f2f6eb7c4f65cec96281
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>