Unbind CallScreeningService when timeout reached. am: d57f25311a am: aaba434a42 am: 274f26bf93

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/27790553

Change-Id: I831897058d364929b7b781097209f7c17fa2d15f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>