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: Ife898ae95a56834d5c247ed36d404b70b922fdef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>