Apply telephony_config_json_parser for satellite accesss control

Bug: 349604674
flag: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
Test: atest
SatelliteAccessConfigurationParserTest(http://ab/I04800010335080673-passed)
Test: Manually verified if the json file is parsed well.

Change-Id: If806a37bd7defdb42916b3570845bb5057260be0