Add CTS tests for requestSelectedNbIotSatelliteSubscriptionId Change-Id: I67168cd3c13a23e98334aef01a341be736bf61a6 Test: atest android.telephony.satellite.cts.SatelliteManagerTest Test: atest android.telephony.satellite.cts.SatelliteManagerTestOnMockService Bug: 378557737 FLAG: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn