Frame EmergencyNumber functions in PhoneInterfaceManager

Bug: 112657134
Test: Treehugger
Change-Id: I0d6230270d28f466ce7eadb8eca19a96f33b9363
Merged-In: I0d6230270d28f466ce7eadb8eca19a96f33b9363
(cherry picked from commit c5eccab93b55cab96aaa542329d69883cf927eb5)
1 file changed