Call Redirection: unbind service when onBind returns null am: 9b753a1d am:...

Call Redirection: unbind service when onBind returns null am: 9b753a1d am: 791abea9 am: c4263028

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/22262687



Change-Id: I59761f3d2ae6fa27554e616320d39c2479608916
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>