Move configs to CarrierConfig for MobileNetworkSettings

Move some configs of MobileNetworkSettings to the carrier config so that
the settings app can access them.

Bug: 115429501
Test: build
Merged-In: I9371bf179895eadeaa189faee2c2afc2a7e0cb8f
Change-Id: I9371bf179895eadeaa189faee2c2afc2a7e0cb8f