Merge "Add more logs around setConferenceHost" into rvc-dev am: 30f41688f7 am: 3b93ffadee am: 9843682c41

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

Change-Id: Ie6797c33cfd2e1201066952e8017daa1efea965a