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-qpr-dev am: f9f3eead am: 9fc8e9d8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24481987



Change-Id: Ie39edc9ef97ed6039c1aaa220dc0162c39cbaf5a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>