IPH - connect data saver previews

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 944 matching lines @@
       <message name="IDS_WEBSITE_SETTINGS_USB" desc="Title for USB settings, which control which of the user's USB devices can be accessed from websites.">
         USB
       </message>
       <message name="IDS_WEBSITE_SETTINGS_REVOKE_DEVICE_PERMISSION" desc="Content description for revoking a website's permission to access a device.">
         Revoke device permission
       </message>
       <message name="IDS_WEBSITE_SETTINGS_USB_NO_DEVICES" desc="Empty list text for a list of USB devices that sites have been granted access to.">
         No USB devices here
       </message>
 
+      <!-- IPH Strings -->
+      <message name="IDS_IPH_DATA_SAVER_PREVIEW_TEXT" desc="In-product help for when a data saver preview page and infobar are shown.">
+          Chrome is using less data to show you this page
+      </message>
+
       <!-- Data Saver -->
       <message name="IDS_DATA_REDUCTION_TITLE" desc="Menu item for Data Saver, which allows users to save mobile data by compressing network traffic.">
         Data Saver
       </message>
       <message name="IDS_DATA_REDUCTION_SAVED_LABEL" desc="Summary text for the menu item that states the amount of mobile data that was saved by Data Saver (i.e. XX MB saved). Data Saver allows users to to reduce their mobile data usage by compressing network traffic.">
         <ph name="data">%1$s<ex>1.0 GB</ex></ph> saved
       </message>
       <message name="IDS_DATA_REDUCTION_DATE_LABEL" desc="Summary text for the menu item that states the beginning date when the displayed mobile data was saved (i.e. XX MB saved 'since Feb 28')">
         since <ph name="date">%1$s<ex>Feb 28</ex></ph>
       </message>
@@ skipping 1945 matching lines @@
         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>