Use setCommunicationDevice to connect hearing aid BT devices. am: 0405bd34 am: 8aef2f7b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/18298493



Change-Id: I038258e73692b6dbf8e4d81aa5bb4219352510fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>