Merge "Add test coverage for EmergencyCallHelper." into udc-dev am: 3d4c6eebfd am: 55e0540398 am: 4ebd144bcb am: 338be59443

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/23143003

Change-Id: I094a2b5b12b068d57a265862fb4f788d54697420
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>