Add UT for satellite access config file update

SatelliteAccessController supports config update of satellite access
config file. Added unit test to verify the functionality of the same.

Test: atest SatelliteAccessControllerTest
Bug: 391782433
Flag: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
Change-Id: I608862c69b5d0db998e593528e368ac4b2afa1bf
diff --git a/tests/Android.bp b/tests/Android.bp
index 22b2f46..bc66408 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -60,4 +60,6 @@
         "mts",
     ],
 
+    resource_dirs: ["res"],
+
 }