EmergencyNumberTracker and ServiceStateTracker fetched by ImsPhone

All the IMS call will be assigned with the correct emergency number
 information that contains the emergency service categories, emergency
 call routing info, that impacts the user's emergency call. These
 parameters can be fetched by ImsCallProfile APIs.

Test: Manual; Treehugger; Successfully made 911 call over IMS
Bug: 133874188
Change-Id: I7a1e73bbceed68da73b9985bf7396edf4cfb3c12
Merged-In: I7a1e73bbceed68da73b9985bf7396edf4cfb3c12
(cherry picked from commit 804376ec)