[Payments] Add text when shopping card total is updated.

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 2607 matching lines @@
       </message>
       <message name="IDS_PAYMENTS_CARD_EXPIRATION_INVALID_VALIDATION_MESSAGE" desc="The text that informs the user that the credit card expiration date they have entered is not valid.">
         Invalid expiration date
       </message>
       <message name="IDS_PAYMENTS_ADD_CONTACT" desc="Text on a button that lets a user add new contact details, like the user's full name, an email address or a phone number.">
         Add contact info
       </message>
       <message name="IDS_PAYMENTS_CHECKING_OPTION" desc="Text explaining that the option the user selected is being checked and verified.">
         Checking
       </message>
+      <message name="IDS_PAYMENTS_UPDATED_LABEL" desc="The text that informs the user that the total value of their cart has been updated.">
+        Updated
+      </message>
 
       <!-- Shipping address in web payments API -->
       <message name="IDS_PAYMENTS_SHIPPING_SUMMARY_LABEL" desc="The title for the section of shipping information. Shipping is typically used for packages.">
         Shipping
       </message>
       <message name="IDS_PAYMENTS_SHIPPING_ADDRESS_LABEL" desc="The title for the section that lets the user select the address where the product should be shipped. Shipping is typically used for packages.">
         Shipping address
       </message>
       <message name="IDS_PAYMENTS_SHIPPING_OPTION_LABEL" desc="The title for the section that lets the user select how the product should be shipped. Shipping is typically used for packages.">
         Shipping option
@@ skipping 81 matching lines @@
       <message name="IDS_WEBAPK_UNKNOWN_SOURCES_DIALOG_MESSAGE" desc="Text of dialog warning user that installation from Unknown sources is required for WebAPK experiment">
         Turn on “Unknown sources” in Android security settings to try "Improved Add to Home screen" experiment. Be sure to disable this setting when you’re done trying it out.
       </message>
 
       <message name="IDS_WEBAPK_UNKNOWN_SOURCES_SETTINGS_BUTTON" desc="Button label for opening Android Settings from dialog warning user that installation from Unknown sources is required for WebAPK experiment.">
         Settings
       </message>
     </messages>
   </release>
 </grit>