1) Test API to override file partition for testing
2) System API to notify Telephony Emergency Number database installation
complete
3) Remove broadcast mechanism
Test: gts
Bug: 136027884
Change-Id: Ie2b0c390948c82ccbb94187a6ded9affd162f5ab
Merged-In: Ie2b0c390948c82ccbb94187a6ded9affd162f5ab
(cherry picked from commit 1b28fdd6dd)