Merge "Handle P-Associated-Uris which are SIP uris in conference host check." am: 0faea3bf7d am: 3871c68210 am: 4fe492fa4a am: e6a80d291a am: 32aac3e827

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

Change-Id: Ifc4296b1fe7e9dcf9c4ebb25a3a1e93bf1e87f45