Add requestRegionalSatelliteConfigurationForCurrentLocation and onRegionalSatelliteConfigurationChanged

Bug: 371438277
Flag: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
Test: atest
SatelliteAccessControllerTest(http://ab/I58000010332908616-pass)
Test: Manually verified satellite is working well in both demo and real(b/371438277#comment4)

Change-Id: Ic8363191ff9f5750916bbe33481c33b1ad914af2
3 files changed