Merge "[RCS]Use ims config to construct SIP UA header" am: b6074670d5

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1581543

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I812993257d2a33729029096a3c6b43e2b51b2350