Merge "AudioDeviceBroker: restore use of hearing aids by default for VoIP...

Merge "AudioDeviceBroker: restore use of hearing aids by default for VoIP calls" into udc-dev am: 4e54a895

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24499047



Change-Id: Id1b9217d6664a7f0cd290f24134372f0c3b511d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>