Merge changes from topic "settings-visibility-return-fixes" into main

* changes:
  Return DISABLED_FOR_USER in deviceinfo/simstatus availability if not admin user
  Return UNSUPPORTED_ON_DEVICE in deviceinfo/simstatus when no telephony
  Added unit tests for SimStatusPreferenceController visibility
  Return DISABLED_FOR_USER in IMEI availability if not admin user
  Return UNSUPPORTED_ON_DEVICE in network/imei when no telephony
  Added unit test for MobileNetworkImeiPreferenceController visibility
  Added unit tests for ImeiInfoPreferenceController visibility
  Return UNSUPPORTED_ON_DEVICE in network/phonenumber when no telephony