Merge "Remove 'Audio output' feature for Android U" into udc-dev am: 228cc095

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23599956



Change-Id: I7dffbe4473e926711efa1b5033265547b30562c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>