IPH - Added triggers to show Download Home message

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 2910 matching lines @@
         LINK
       </message>
       <message name="IDS_CONTEXTMENU_VIDEO_TITLE" desc="The title of a context menu tab when the item pressed contains more than one type. This indicates that all the actions are related to a video.">
         VIDEO
       </message>
 
       <!-- In-Product Help strings -->
       <message name="IDS_IPH_DOWNLOAD_PAGE_FOR_OFFLINE_USAGE_TEXT" desc="The in-product-help message after a successful navigation prompting user to download the pages to view offline.">
         Download pages to use them offline
       </message>
+      <message name="IDS_IPH_DOWNLOAD_HOME_TEXT" desc="The in-product-help message to open download home after a restart.">
+        Find your files and pages in Downloads
+      </message>
 
       <!-- Search Widget strings -->
       <message name="IDS_SEARCH_WIDGET_DEFAULT" desc="Default text for the search widget">
         Search
       </message>
       <message name="IDS_SEARCH_WITH_PRODUCT" desc="Text for search widget with a search engine name">
         Search with <ph name="PRODUCT_NAME">%1$s<ex>Google</ex></ph>
       </message>
 
       <!-- Launcher Shortcuts -->
       <message name="IDS_DISABLED_INCOGNITO_LAUNCHER_SHORTCUT_MESSAGE" desc="Text for a toast displayed prompting the user to remove the disabled 'New incognito tab' app shortcut and recreate it.">
         Remove and recreate this shortcut
       </message>
     </messages>
   </release>
 </grit>