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-land/nav_screen.xml b/res/layout-land/nav_screen.xml
index ba7ac26..fdadd6a 100644
--- a/res/layout-land/nav_screen.xml
+++ b/res/layout-land/nav_screen.xml
@@ -19,7 +19,7 @@
     android:id="@+id/nav_screen"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/browser_background_holo" >
+    android:background="@drawable/browser_background_holo">
     <com.android.browser.NavTabScroller
         android:id="@+id/scroller"
         android:layout_width="match_parent"
@@ -31,7 +31,7 @@
         android:layout_height="@dimen/toolbar_height"
         android:layout_gravity="top"
         android:gravity="right"
-        android:background="#C0404040">
+        android:background="#CC0d0d0d">
         <ImageButton
             android:id="@+id/newtab"
             android:layout_width="wrap_content"