[Android] Introduce DateDividedAdapter to Chrome

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 171 matching lines @@
       </message>
       <message name="IDS_SUBMIT" desc="Generic label for a button to submit data. Used in multiple contexts. [CHAR-LIMIT=20]">
         Submit
       </message>
       <message name="IDS_UNDO" desc="Generic label for a button to undo the previous action.">
         Undo
       </message>
       <message name="IDS_HELP" desc="Generic label for a button that displays help for the current screen.">
         Help
       </message>
+      <message name="IDS_TODAY" desc="Generic Label saying the date is today.">
+        Today
+      </message>
+      <message name="IDS_YESTERDAY" desc="Generic Label saying the date is yesterday.">
+        Yesterday
+      </message>
 
       <!-- Main Preferences -->
       <message name="IDS_PREFERENCES" desc="Title for Chrome's Settings.">
         Settings
       </message>
       <message name="IDS_MENU_HELP" desc="Menu item for opening the help page. [CHAR-LIMIT=27]">
         Help &amp; feedback
       </message>
       <message name="IDS_MANAGED_BY_YOUR_ADMINISTRATOR" desc="Popup message when the user clicks a UI element that has been disabled by enterprise policy.">
         Managed by your administrator
@@ skipping 2499 matching lines @@
         Tap this button for quick access to your tabs.
       </message>
 
       <!-- Item Chooser UI strings -->
       <message name="IDS_ITEM_CHOOSER_ITEM_NAME_WITH_ID" desc="To distinguish items with the same name, the item chooser shows the item name with id.">
         <ph name="ITEM_NAME">%1$s<ex>item_name</ex></ph> (<ph name="ITEM_ID">%2$s<ex>item id</ex></ph>)
       </message>
     </messages>
   </release>
 </grit>