Browser layout fixes and asset updates

-darker actionbar
-folder icon is smaller and no longer blue, and padding is removed
-textfield is cleaned up and given margins on left and right
-various padding changes for icons to fit inside the padded in textfield
-textfield is now activated blue

Bug: 5190316

Change-Id: I12a09545933c9e5437cb22b38116820600e71808
diff --git a/res/layout/nav_tab_view.xml b/res/layout/nav_tab_view.xml
index cdfcda7..82541a4 100644
--- a/res/layout/nav_tab_view.xml
+++ b/res/layout/nav_tab_view.xml
@@ -26,7 +26,7 @@
         android:id="@+id/titlebar"
         android:orientation="horizontal"
         android:layout_width="match_parent"
-        android:layout_height="48dip"
+        android:layout_height="32dip"
         android:layout_gravity="center_horizontal"
         android:paddingLeft="8dip" >
         <TextView
@@ -43,7 +43,7 @@
             android:drawablePadding="8dip" />
         <ImageView
             android:id="@+id/closetab"
-            android:src="@drawable/ic_stop_holo_dark"
+            android:src="@drawable/ic_tab_close"
             android:layout_gravity="center_vertical"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"