Merge "Process rcsVolteSingleRegistration if it is not provided or roaming" into sc-dev am: 4769fd36 am: d946cbef

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14444741

Change-Id: I9d12cef08bad8ff3fff7c26c4d071a43adac94d8