Fix WPS pin input UI

Change If60f42f7 introduces a bug for the WPS UI.

The input from access point text box should be shown for KEYPAD input

Bug: 5542833
Change-Id: I27f758b31b69425f51fe7ed17bf9b787a1bf66cc

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

@@ -575,7 +575,7 @@ public class WifiConfigController implements TextWatcher,
         int pos = mNetworkSetupSpinner.getSelectedItemPosition();
 
         /* Show pin text input if needed */
-        if (pos == WPS_DISPLAY) {
+        if (pos == WPS_KEYPAD) {
             mView.findViewById(R.id.wps_fields).setVisibility(View.VISIBLE);
         } else {
             mView.findViewById(R.id.wps_fields).setVisibility(View.GONE);