Merge "Notify link status changed on connected or disconnected only" into...

Merge "Notify link status changed on connected or disconnected only" into udc-dev am: 968ac705 am: 2f6608db am: d1d6e6bb am: b0ea39b9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/22920294



Change-Id: I7910a8f8ab420b600cd1e2785242cfeeaaeb5365
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>