Merge "Fixing issue with adding existing connections which start in a...

Merge "Fixing issue with adding existing connections which start in a conference." into sc-dev am: beb4dd05 am: 53c3b42e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/15113220

Change-Id: I68b445d669022d3ff4c5dd46f247103ff1a552f5