Emergency number database config updater

Test: https://paste.googleplex.com/5345498821033984
Bug: 136027884
Change-Id: I0fbd48fe8ef5e008af714312859b513a22679fcb
Merged-In: I0fbd48fe8ef5e008af714312859b513a22679fcb
(cherry picked from commit 8163b80a7ec63e8869742c8eac7291629d9c32f8)
4 files changed