Remove prefix for emergency number address while dialing per carrier...

Remove prefix for emergency number address while dialing per carrier requirement am: 061d5b38 am: 8a57e9b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/14291675

Change-Id: I631dd15c95c1541989e9d29e19557d20a2d47af8