Add callback method to notify the emergency mode included in satellite enable request is changed

Bug: 351703546
Test: atest SatelliteManagerTest, SatelliteManagerTestOnMockService
Flag: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
Change-Id: Ie76d22c9d60160b4b75e82ad04bcf7928ce6de15
3 files changed