Unable to select twilight scheduling after enabling location

Test: run settings tests
Change-Id: I74945dd69f0da9733ee0a5e27ab63852df9544e9
Bug: 153115261

src/com/android/settings/display/NightDisplayAutoModePreferenceController.java

@@ -74,7 +74,7 @@ public class NightDisplayAutoModePreferenceController extends BasePreferenceCont
         if (String.valueOf(ColorDisplayManager.AUTO_MODE_TWILIGHT).equals(newValue)
                 && !mLocationManager.isLocationEnabled()) {
             TwilightLocationDialog.show(mContext);
-            return false;
+            return true;
         }
         return mColorDisplayManager.setNightDisplayAutoMode(Integer.parseInt((String) newValue));
     }