[automerger skipped] Merge "Notify rcs config as needed when RCS service ready, and support test mode" am: cb8481d9e6 am: eacddabbf1 am: 169c9f27b0 -s ours

am skip reason: Change-Id Icef61a850c679334a8279f0e28e5110f867b75c1 with SHA-1 baaee6a06f is in history

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1612686

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie14b7ab3354d424816e718bcef63a34aa2892272