Sort imports

Having consistent import order will reduce chance of merge
conflict between internal and external master

Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b

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

@@ -57,6 +57,8 @@ import android.widget.ScrollView;
 import android.widget.Spinner;
 import android.widget.TextView;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.settings.ProxySelector;
 import com.android.settings.R;
 import com.android.settingslib.Utils;
@@ -69,8 +71,6 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;
 
-import androidx.annotation.VisibleForTesting;
-
 /**
  * The class for allowing UIs like {@link WifiDialog} and {@link WifiConfigUiBase} to
  * share the logic for controlling buttons, text fields, etc.