Bug:PreferredNetworkModePreferenceController.java not being refreshed

Bug: 146594872
Test: make RunSettingsRoboTests ROBOTEST_FILTER=\
PreferredNetworkModePreferenceControllerTest (PASS)

Change-Id: Ic3579e630c1d9422d7105a2d8fb619409a5823d6
Merged-In: Ib5cc06cdbfd2fa70cd115d70337b21500e362da6
1 file changed