Fix config update tests

In the config updater tests, while asserting if the on device and ota
geofence files are present and different, the check wasn't performed
on the file's absolute path. Fixed it.

Test: atest SatelliteAccessControllerTest
Bug: 391782433
Flag: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
Change-Id: I57c11f2a2c05c5e24cb60b5878b1b7e9f673a788
1 file changed