Merge "Call Redirection: unbind service when onBind returns null" into udc-dev...

Merge "Call Redirection: unbind service when onBind returns null" into udc-dev am: f5eb21c3 am: da3ef777

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/22200082



Change-Id: I93694e3603f5855f411c3f2205fcdc1a8e2101e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>