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

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



Change-Id: I0354bf369e33dc22a8f80e4b345390a7b5550896
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>