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: I79b217414e957abf0f14a64feed49d7bab6d84e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>