Handle subtext display problem in WifiWakeupPreferenceController

WifiWakeupPreferenceController subtext can't display location info subtext
when the "Use location" turn off. Now override the updateState and add the
refreshSummary in this api to fix the problem.

Bug: 132391311
Test: manual view
Change-Id: I5e85c1ae9b9393ee06f16a61d4be4a149adfdede

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

@@ -115,6 +115,12 @@ public class WifiWakeupPreferenceController extends TogglePreferenceController i
         return true;
     }
 
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        refreshSummary(mPreference);
+    }
+
     @Override
     public CharSequence getSummary() {
         if (!mLocationManager.isLocationEnabled()) {