[Wi-Fi] Apply WifiTrackerLib objects in NetworkRequestDialogFragment

Bug: 152571756
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.wifi
Change-Id: Ie6f63cb8aa81d61bfa41687c73f8c8764cb3cefe

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

@@ -194,8 +194,7 @@ public class NetworkRequestDialogActivity extends FragmentActivity implements
         if (mIsSpecifiedSsid) {
             // Prevent from throwing same dialog, because onMatch() will be called many times.
             if (mMatchedConfig == null) {
-                mMatchedConfig = WifiUtils.getWifiConfig(
-                    null /* accesspoint */, scanResults.get(0), null /* password */);
+                mMatchedConfig = WifiUtils.getWifiConfig(null /* wifiEntry */, scanResults.get(0));
                 showSingleSsidRequestDialog(
                         WifiInfo.sanitizeSsid(mMatchedConfig.SSID), false /* isTryAgain */);
             }