Merge "Add more logs around setConferenceHost" into rvc-dev am: 30f41688f7 am: 7e39db60da

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

Change-Id: I2c69d6ac40c05290b7c30358f6aeeaa5de499892