Force Search Index rebuilding for Wifi remembered networks

... when the WiFi swich will be toggled on/off

Change-Id: Iea93819e4c473aafc6aaedf6abb723969dbc9e52

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

@@ -76,7 +76,7 @@ public class WifiEnabler implements CompoundButton.OnCheckedChangeListener  {
                 case EVENT_UPDATE_INDEX:
                     final boolean isWiFiOn = msg.getData().getBoolean(EVENT_DATA_IS_WIFI_ON);
                     Index.getInstance(mContext).updateFromClassNameResource(
-                            WifiSettings.class.getName(), false, isWiFiOn);
+                            WifiSettings.class.getName(), true, isWiFiOn);
                     break;
             }
         }