Bookmark UI update

Change-Id: Ibdf7f93f7c5863d7108044dcd40d3866ff02518a
diff --git a/res/layout/bookmarks.xml b/res/layout/bookmarks.xml
index 28f83e4..a4a4e04 100644
--- a/res/layout/bookmarks.xml
+++ b/res/layout/bookmarks.xml
@@ -31,21 +31,24 @@
         android:layout_height="match_parent">
         <GridView
             android:id="@+id/grid"
-            android:layout_width="match_parent"
+            android:layout_width="wrap_content"
             android:layout_height="match_parent"
-            android:horizontalSpacing="16dip"
-            android:verticalSpacing="16dip"
-            android:stretchMode="spacingWidth"
+            android:layout_gravity="center_horizontal"
+            android:horizontalSpacing="@dimen/combo_horizontalSpacing"
+            android:verticalSpacing="40dip"
             android:scrollbarStyle="insideInset"
             android:listSelector="@drawable/bookmark_thumb_selector"
             android:drawSelectorOnTop="true"
             android:focusable="true"
             android:focusableInTouchMode="true"
-            android:numColumns="auto_fit" />
+            android:numColumns="auto_fit"
+            android:stretchMode="spacingWidth" />
         <ListView
             android:id="@+id/list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:listSelector="@drawable/bookmark_thumb_selector"
+            android:drawSelectorOnTop="true"
             android:focusable="true"
             android:focusableInTouchMode="true"
             android:visibility="gone"/>