Update carrier text when phone service state is changed

The carrier text is not updated when the phone service state has
changed. To solve this issue, the EmergencyCryptkeeperText view should
receive the KeyguardUpdateMonitorCallback#onRefreshCarrierInfo().

Bug: 37331677
Test: visual

Change-Id: I359991688552b731eaa02f443902eb7bdc894d10
1 file changed