Initially set the widget container view to GONE visibility

- Bitmap loading should not happen when Launcher3 is being loaded.

b/21207643

Change-Id: I1b6a5f970d157d139e0e5021182048f752b67415
diff --git a/res/layout/widgets_view.xml b/res/layout/widgets_view.xml
index b91ca26..1857595 100644
--- a/res/layout/widgets_view.xml
+++ b/res/layout/widgets_view.xml
@@ -40,6 +40,7 @@
         android:layout_height="match_parent"
         android:clipChildren="false"
         android:elevation="15dp"
+        android:visibility="gone"
         android:orientation="vertical" >
 
         <com.android.launcher3.widget.WidgetsContainerRecyclerView