[automerger skipped] Expose onEmergencyNumberListChanged, semantics change am: e182543791 am: f8e5b6fd6e am: 266e87e5a9 am: cd3ad04afd -s ours

am skip reason: Change-Id Ia0e10bfb3376ff82d03a6dbc4bf71c22b0ace366 with SHA-1 cebecc648b is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1469715

Change-Id: I34af6b3835d0f8f3e085a180ae23b07f82f623eb