Adding a dummy method for fix GSA compilation issues

Change-Id: Iec0ab4faf695b9efd3efd3d3b83d729f430a59eb

src/com/android/launcher3/Folder.java

@@ -39,6 +39,7 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.AccelerateInterpolator;
@@ -849,6 +850,11 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
         mItemsInvalidated = true;
     }
 
+    // TODO remove this once GSA code fix is submitted
+    public ViewGroup getContent() {
+        return (ViewGroup) mContent;
+    }
+
     public int getItemCount() {
         return mContent.getItemCount();
     }