Implement pseudo 3d overscroll for tab switcher

    Bug: 5255100

Change-Id: Id756e36bba2644cc1be1a699f80dbd78119ec56f
diff --git a/res/layout/nav_screen.xml b/res/layout/nav_screen.xml
index 0ea332f..ae0db1b 100644
--- a/res/layout/nav_screen.xml
+++ b/res/layout/nav_screen.xml
@@ -20,7 +20,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@drawable/browser_background_holo">
-    <com.android.browser.NavTabGallery
+    <com.android.browser.NavTabScroller
         android:id="@+id/scroller"
         android:layout_width="match_parent"
         android:layout_height="match_parent"