[subresource_filter] Add Page Info subtitle on desktop + placeholder string

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="utf-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 12142 matching lines @@
 
     <message name="IDS_SUBRESOURCE_FILTER_HEADER" desc="Header for the subresource filter setting on the Content Settings dialog." translateable="false">
        Subresource Filter
     </message>
     <message name="IDS_SUBRESOURCE_FILTER_ALLOW_RADIO" desc="A radio button on the Content Settings dialog to allow subresource filter use." translateable="false">
       Allow the Subresource Filter to perform filtering
     </message>
     <message name="IDS_SUBRESOURCE_FILTER_BLOCK_RADIO" desc="A radio button on the Content Settings dialog to block subresource filter use on all sites." translateable="false">
       Do not allow Subresource Filter to perform filtering
     </message>
+    <message name="IDS_SUBRESOURCE_FILTER_PAGE_INFO_SUBTITLE" desc="Subtitle 'policy' string to be used under the setting on desktop Page Info (aka OIB)" translateable="false" formatter_data="android_java">

[lgarron, 2017/05/15 18:47:11]

Could you please make sure to put this with the other permission decision string
section of page_info_strings.grdp? Thanks!

[Charlie Harrison, 2017/05/15 19:36:04]

Done.

+       Subresource filter activated (subtitle)
+    </message>
     <if expr="is_win">
       <message name="IDS_UTILITY_PROCESS_SHELL_HANDLER_NAME" desc="The name of the utility process used to handle shell operations.">
         Shell Handler
       </message>
     </if>
 
     <!-- Welcome page (chrome://welcome) strings -->
     <if expr="not chromeos">
       <message name="IDS_WELCOME_SUBHEADER" desc="A message which will appear underneath the header on the Welcome UI.">
         The web browser by Google, for you
@@ skipping 93 matching lines @@
       Your downloads appear here
     </message>
 
     <!-- Automation info bar -->
     <message name="IDS_CONTROLLED_BY_AUTOMATION" desc="Message shown when the browser session is being controlled by an automated test.">
       Chrome is being controlled by automated test software.
     </message>
   </messages>
  </release>
 </grit>