Merge "Tests for 3rd call reception in DSDA." into udc-dev am: 6cad656c6e am: a542781733 am: 5be5ecfdea

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/23125259

Change-Id: Ifda49a7ebb3916cb3c2a4b8bf9af2c3a9a47c22d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>