Read Later : Fixed string for IPH

This CL fixes a string for read later introduction IPH.

Bug: 1150005
Change-Id: I32289ebe281619e12d27e0011727d4639d24a600
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543839
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828590}

chrome/android/expectations/lint-suppressions.xml

@@ -235,7 +235,7 @@ Still reading?
     <ignore regexp="The resource `R.string.accessibility_close_tab_group_button_with_group_name` appears to be unused"/>
     <ignore regexp="The resource `R.string.accessibility_expand_tab_group_with_group_name` appears to be unused"/>
 
-    <!-- crbug.com/1128074 remove this line and following 15 lines after the bug is resolved -->
+    <!-- crbug.com/1128074 remove this line and following 16 lines after the bug is resolved -->
     <ignore regexp="The resource `R.drawable.ic_reading_list_folder` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_title` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_read` appears to be unused"/>
@@ -247,6 +247,7 @@ Still reading?
     <ignore regexp="The resource `R.plurals.reading_list_reminder_notification_subtitle` appears to be unused"/>
     <ignore regexp="The resource `R.plurals.reading_list_unread_page_count` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_intro_text` appears to be unused"/>
+    <ignore regexp="The resource `R.string.reading_list_save_pages_for_later` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_find_in_bookmarks` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_empty_list_title` appears to be unused"/>
     <ignore regexp="The resource `R.string.reading_list_empty_list_description` appears to be unused"/>

chrome/browser/ui/android/strings/android_chrome_strings.grd

@@ -3115,6 +3115,9 @@ Data from your Incognito session will only be cleared from Chrome when you <ph n
       <message name="IDS_READING_LIST_INTRO_TEXT" desc="The text on the reading list in product help bubble and other UIs to introduce the feature to the user.">
         Save this page for later and get a reminder
       </message>
+      <message name="IDS_READING_LIST_SAVE_PAGES_FOR_LATER" desc="The text on the reading list in product help bubble to introduce the feature to the user.">
+        Save pages for later and get a reminder
+      </message>
       <message name="IDS_READING_LIST_FIND_IN_BOOKMARKS" desc="The text to inform the user to find the reading list in bookmarks UI.">
         Find your reading list in Bookmarks
       </message>

chrome/browser/ui/android/strings/android_chrome_strings_grd/IDS_READING_LIST_SAVE_PAGES_FOR_LATER.png.sha1

+26c8ba78ec652819da6c707f067832da8c37de89
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