Introduce Emergency Number Tracker

- Introduce EmergencyNumberTracker that handles the radio indication
of emergency number updates and the update of ECC database based on
the country ISO
- Configure ecc-protos-lite library to be ready to use Eccdata
- Introduce RIL commands for the indication and PhoneStateListener
- Add dumpy system for EmergencyNumberTracker
- Deploy some implementation in TelephonyRegistry,
 TelephonyComponentFactory, and Phone classes, to be ready to further
 connect with the API implementation
- Implement EmergencyNumberTrackerTest

Test: Treehugger; atest EmergencyNumberTrackerTest
Bug: 112657134
Change-Id: I13d41044dc431e26ae0ca3b1cd7bba234a86364e
Merged-In: I13d41044dc431e26ae0ca3b1cd7bba234a86364e
(cherry picked from commit 4d489c6f)