[Contextual Search] Add support for a static icon

chrome/android/java/res/values/dimens.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2014 The Chromium Authors. All rights reserved.
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file. -->
 
 <resources>
     <!-- Connection info popup dimensions -->
     <dimen name="connection_info_padding_wide">24dp</dimen>
     <dimen name="connection_info_padding_thin">16dp</dimen>
 
@@ skipping 83 matching lines @@
     <!-- Dimensions applied to InfoBars with differently sized icons. -->
     <dimen name="infobar_small_icon_size">24dp</dimen>
     <dimen name="infobar_small_icon_margin">8dp</dimen>
     <dimen name="infobar_big_icon_size">48dp</dimen>
     <dimen name="infobar_big_icon_margin">16dp</dimen>
 
     <!-- Contextual search dimensions -->
     <dimen name="contextual_search_peek_promo_height">48dp</dimen>
     <dimen name="contextual_search_peek_promo_padding">12dp</dimen>
     <dimen name="contextual_search_caption_text_size">14sp</dimen>
-    <dimen name="contextual_search_thumbnail_size">36dp</dimen>
+    <dimen name="contextual_search_static_image_size">36dp</dimen>
     <!-- The following two dimensions were taking from the UI specs for contextual search, where
     they were 36dp and 3dp respectively, but have been updated to allow for padding around
     TextViews that we cannot get rid of. -->
     <dimen name="contextual_search_text_layer_min_height">38dp</dimen>
     <dimen name="contextual_search_term_caption_spacing">1.5dp</dimen>
 
     <!-- Overlay panel dimensions -->
     <dimen name="overlay_panel_bar_height">56dp</dimen>
     <dimen name="overlay_panel_text_size">18sp</dimen>
 
@@ skipping 250 matching lines @@
     <dimen name="pref_autofill_field_horizontal_padding">4dp</dimen>
     <dimen name="pref_autofill_field_top_margin">8dp</dimen>
 
     <!-- Dialog dimensions.
          https://www.google.com/design/spec/components/dialogs.html#dialogs-simple-dialogs -->
     <dimen name="dialog_width_unit">56dp</dimen>  <!-- MD dialog widths are multiples of this. -->
 
     <!-- Downloads dimensions. -->
     <dimen name="downloads_item_icon_size">48dp</dimen>
 </resources>