Rebuild Carriers table if apns-conf.xml changes.

The rebuilding will only be done for devices that
claim to be lte on cdma so we don't wipe out any
changes the user might have created. In the future
we need to handle this in a more general manner.

Change-Id: I74c1c84b6c09c2b42439b0b6f95d4b5246a1129a
1 file changed