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: 6bbf2df1

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

Change-Id: Icaab05167c889db9ff7db2bc2b05dd854038f7bb