Merge "Tests for 3rd call reception in DSDA." into udc-dev am: 6cad656c

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



Change-Id: Ib59433d819932d81b3fdc38a9165e71538afac9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>