Merge "Support telephoy command to set test mode for RCS single registration" am: 3727cc1834 am: aa4c7d0fe5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1612065

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ifcfba0585ecdf76f99946b86b6b5b96ecae82456