Merge "Handle P-Associated-Uris which are SIP uris in conference host check." am: 0faea3bf7d am: 3871c68210 am: 4fe492fa4a

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1486555

Change-Id: I3ff45222f8d344f75f65a5bc4b398c5e2e5d1821