Merge "audio policy: preferred device support in configurable engine" into udc-dev am: c4b5507f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/22574660



Change-Id: I92455ac43fc77b33f68e36e8e43da75fdbc422a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>