Merge "Unbind TileService onNullBinding" into udc-dev am: 0f2905dd46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25043220

Change-Id: I77b6d35adef492c161664c25c7c31a80e4791851
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>