Merge "Ensure video provider is set on ImsConference from host connection." into rvc-qpr-dev am: 1118ffe0c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/12538707

Change-Id: I20835f38e100fe817352845272fddae10c0423e9