Merge "Add more logs around setConferenceHost" into rvc-dev am: 30f41688f7 am: 3b93ffadee

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/11711606

Change-Id: I5b3c652345adfdd6d2eccf475281440483770cd0