Merge "Do not process messages until new messages are feeding" am: 8cb9c78a4d am: 5a9be44e0a am: 9a00060cd7

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1535591

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I36e339650c4780fd4671566ec35452a9e0e17673