Merge "Allow reject request in ANSWERED state" am: 754d6726b5

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telecomm/+/1242837

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6aa3ab3b9bd1d6ba5ce09caae9f01e6463bcf867