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: Id30f0d2710a7f9d9e03e5e5891e23ea8a62e663d