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/display/AppGridView.java

@@ -30,14 +30,14 @@ import android.widget.ArrayAdapter;
 import android.widget.GridView;
 import android.widget.ImageView;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.settings.R;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-import androidx.annotation.VisibleForTesting;
-
 public class AppGridView extends GridView {
     public AppGridView(Context context) {
         super(context);