Snackbar for promoting Data Saver to existing users

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 870 matching lines @@
       </message>
       <message name="IDS_DATA_REDUCTION_PROMO_INFOBAR_TITLE" desc="Text to be displayed in the data reduction promo infobar title">
         Save up to 60% of your data
       </message>
       <message name="IDS_DATA_REDUCTION_PROMO_INFOBAR_TEXT" desc="Text to be displayed in the data reduction promo infobar">
         Google servers will optimize the pages you visit, except for HTTPS and Incognito.
       </message>
       <message name="IDS_DATA_REDUCTION_PROMO_INFOBAR_BUTTON" desc="Text to be displayed in the data reduction promo infobar confirm button">
         Turn on Data Saver
       </message>
+      <message name="IDS_DATA_REDUCTION_PROMO_SNACKBAR_TEXT_MB" desc="Text to be displayed in the data reduction promo snackbar that lets the user know they saved a certain amount of data in MB">
+        Chrome just saved you <ph name="megabytes">%1$d<ex>100</ex></ph> MB
+      </message>
+      <message name="IDS_DATA_REDUCTION_PROMO_SNACKBAR_TEXT_GB" desc="Text to be displayed in the data reduction promo snackbar that lets the user know they saved a certain amount of data in GB">
+        Chrome just saved you <ph name="gigabytes">%1$d<ex>10</ex></ph> GB
+      </message>
+      <message name="IDS_DATA_REDUCTION_PROMO_SNACKBAR_BUTTON" desc="Text to be displayed in the data reduction promo snackbar view button that takes the user to the data reduction settings page">
+        View
+      </message>
 
       <!-- About Chrome preferences -->
       <message name="IDS_PREFS_ABOUT_CHROME" desc="Title for the About Chrome page. [CHAR-LIMIT=32]">
         About Chrome
       </message>
       <message name="IDS_LEGAL_INFORMATION_SUMMARY" desc="Summary for legal information" meaning="Android">
         Copyright <ph name="year">%1$d<ex>2014</ex></ph> Google Inc. All rights reserved.
       </message>
       <message name="IDS_APPLICATION_VERSION_TITLE" desc="Title for application version">
         Application version
@@ skipping 1717 matching lines @@
       <message name="IDS_ITEM_CHOOSER_ITEM_NAME_WITH_ID" desc="To distinguish items with the same name, the item chooser shows the item name with id.">
         <ph name="ITEM_NAME">%1$s<ex>item_name</ex></ph> (<ph name="ITEM_ID">%2$s<ex>item id</ex></ph>)
       </message>
 
       <message name="IDS_INSTANT_APPS_OPEN_IN_APP" desc="Button label for the user action that will open an Instant App.">
         Open app
       </message>
     </messages>
   </release>
 </grit>