Merge "Improve RCS single registration logging" am: 49a66e188a am: d2a2f5c9cb

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1551778

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If5676b16b1507f0f7dc7567615fc59dba3091ac5