Merge "Fix the availability of UseOpenWifiPreferenceController." into rvc-dev am: 4ebfaec3a3

Change-Id: Ia42e358a40f86101ab8f104697861b325fbc3293

src/com/android/settings/wifi/UseOpenWifiPreferenceController.java

@@ -100,6 +100,10 @@ public class UseOpenWifiPreferenceController extends TogglePreferenceController
 
     @Override
     public int getAvailabilityStatus() {
+        // It is possible that mEnableUseWifiComponentName is no longer enabled by
+        // USE_OPEN_WIFI_PACKAGE. So update this component to reflect correct availability.
+        updateEnableUseWifiComponentName();
+        checkForFeatureSupportedScorers();
         return mDoFeatureSupportedScorersExist ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
     }