Fix up a few more lint warnings in chrome/

chrome/android/java/res/values/colors.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>
     <!-- Common colors -->
     <color name="default_text_color">#333</color>
     <color name="default_primary_color">#f2f2f2</color>
     <color name="light_normal_color">#5A5A5A</color>
@@ skipping 23 matching lines @@
     <!-- URL Emphasizer colors -->
     <color name="url_emphasis_start_scheme_security_warning">#ffb000</color>
     <color name="url_emphasis_start_scheme_security_error">#db4437</color>
     <color name="url_emphasis_start_scheme_ev_secure">#1ac222</color>
     <color name="url_emphasis_start_scheme_secure">#1ac222</color>
     <color name="url_emphasis_non_emphasized_text">#80333333</color>
     <color name="url_emphasis_light_non_emphasized_text">#80ffffff</color>
     <color name="url_emphasis_domain_and_registry">#333333</color>
     <color name="url_emphasis_light_domain_and_registry">#ffffff</color>
     <color name="url_emphasis_default_text">#333333</color>
+    <!--suppress UnusedResources -->
     <color name="url_emphasis_light_default_text">#ffffff</color>
 
     <!--  Distilled Page Prefs colors -->
     <color name="distilled_page_prefs_selected">#999999</color>
     <color name="distilled_page_prefs_unselected">#ffffff</color>
 
     <!-- Password generation popup colors -->
     <color name="password_generation_divider_color">#e5e5e5</color>
     <color name="password_generation_explanation_text_color">#909090</color>
     <color name="password_generation_link_text_color">#5595e3</color>
 
     <!-- Preferences Colors -->
     <color name="pref_accent_color">@color/light_active_color</color>
     <color name="expandable_group_dark_gray">#484848</color>
 
     <!-- Data Saver Colors -->
     <color name="data_reduction_compressed_color">@color/pref_accent_color</color>
     <color name="data_reduction_original_color">#E1E1E1</color>
     <color name="data_reduction_chart_background_color">#FAFAFA</color>
 
     <!-- Compositor Tab Title Colors -->
     <color name="compositor_tab_title_bar_text">#555555</color>
     <color name="compositor_tab_title_bar_text_incognito">#FFFFFFFF</color>
     <color name="compositor_tab_title_bar_shadow">#AAFFFFFF</color>
     <color name="compositor_tab_title_bar_shadow_incognito">#88000000</color>
 
 </resources>