Merge "Tests for 3rd call reception in DSDA." into udc-dev am: 6cad656c6e am: 588f011649

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

Change-Id: I5f7db7c74ece3d163cc11a0f4154393af8b2b063
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>