Merge "Revert "Remove prefix for emergency number address while dialing per...

Merge "Revert "Remove prefix for emergency number address while dialing per carrier requirement"" into sc-dev am: 9d086a54

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/14312840

Change-Id: I5c06abe8b61401714fb717790d6af9ccdbdcd831