Move action bar in tab switcher

     Bug: 5334321
     And up again.

Change-Id: I41d2a81adccc36f8afa36cc1f14afb42328a5548
diff --git a/res/layout/nav_screen.xml b/res/layout/nav_screen.xml
index baabcc7..0ea332f 100644
--- a/res/layout/nav_screen.xml
+++ b/res/layout/nav_screen.xml
@@ -19,7 +19,6 @@
     android:id="@+id/nav_screen"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
     android:background="@drawable/browser_background_holo">
     <com.android.browser.NavTabGallery
         android:id="@+id/scroller"
@@ -30,7 +29,8 @@
         android:id="@+id/tabbar"
         android:orientation="horizontal"
         android:layout_width="match_parent"
-        android:layout_height="44dip"
+        android:layout_height="@dimen/toolbar_height"
+        android:layout_gravity="top"
         android:gravity="right"
         android:background="#C0404040">
         <ImageButton