Prevent keyboard from blocking the input box for WiFi configuration page.

Bug: 223980567
Test: manual
Change-Id: I2b95b065394e2395396ff71b00bd949ac824dac3

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

@@ -24,6 +24,7 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.TextView;
@@ -82,6 +83,10 @@ public class AddNetworkFragment extends InstrumentedFragment implements WifiConf
         ssidScannerButton.setOnClickListener(this);
         mUIController = new WifiConfigController2(this, rootView, null, getMode());
 
+        // Resize the layout when keyboard opens.
+        getActivity().getWindow().setSoftInputMode(
+                WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
+
         return rootView;
     }