Merge "Add test coverage for EmergencyCallHelper." into udc-dev am: 3d4c6eebfd am: 55e0540398 am: fc803575cb

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

Change-Id: Iebe7df0cbdc533621c9a1080bf35cbee6237d2e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>