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: I7f7586bc32621dd16099b5a4d49bfdbe7e56fd17