Merge "audio policy: preferred device support in configurable engine" into...

Merge "audio policy: preferred device support in configurable engine" into udc-dev am: c4b5507f am: b1c00f00

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



Change-Id: I584f30b2d4b4e292919aca5d63efa06e248375ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>