chromeos: Update screenshot notification to "Show in folder"

ash/ash_chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from ash_strings.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
 
   <!-- Device types -->
   <message name="IDS_ASH_CHROMEBASE" desc="The device name for a Chromebase (versus say Chromebox)">
     Chromebase
   </message>
   <message name="IDS_ASH_CHROMEBIT" desc="The device name for a Chromebit (versus say Chromebox)">
@@ skipping 441 matching lines @@
   </message>
   <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TITLE_SUCCESS" desc="The title of the notification when a screenshot was taken.">
     Screenshot taken
   </message>
   <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TITLE_DISABLED" desc="The title of the notification when taking a screenshot failed because screenshots are disabled.">
     Screenshots disabled
   </message>
   <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TITLE_FAIL" desc="The title of the notification when taking a screenshot failed.">
     An error occurred
   </message>
-  <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TEXT_SUCCESS" desc="The text of the notification when a screenshot was taken.">
-    Click to view
+  <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TEXT_SUCCESS" desc="The text of the notification when a screenshot was taken. If clicked, the screenshot file is displayed in the Files app.">
+    Show in folder
   </message>
   <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TEXT_DISABLED" desc="The text of the notification when taking a screenshot failed because screenshots are disabled by administrator policy.">
     The ability to take screenshots has been disabled by your administrator.
   </message>
   <message name="IDS_ASH_SCREENSHOT_NOTIFICATION_TEXT_FAIL" desc="The text of the notification when taking a screenshot failed.">
     Failed to save screenshot
   </message>
   <message name="IDS_ASH_SIGN_OUT_WARNING_POPUP_TEXT" desc="The text of the popup when the user preses the exit shortcut in chrome-os.">
     Press Ctrl+Shift+Q twice to sign out.
   </message>
@@ skipping 61 matching lines @@
   </message>
   <message name="IDS_DEPRECATED_SHOW_TASK_MANAGER_MSG"
            desc="Notification message to tell users about the deprecation of Shift+ESC shortcut to show the task manager.">
     The shortcut to open the task manager has changed. Please use <ph name="NEW_SHORTCUT">$1<ex>Search+Esc</ex></ph> instead of <ph name="OLD_SHORTCUT">$2<ex>Shift+Esc</ex></ph>.
   </message>
   <message name="IDS_DEPRECATED_NEXT_IME_MSG"
            desc="Notification message to tell users about the deprecation of Shift+Alt shortcut to switch to the next input method.">
     The shortcut to switch to the next input method has changed. Please use <ph name="NEW_SHORTCUT">$1<ex>Ctrl+Shift+Space</ex></ph> instead of <ph name="OLD_SHORTCUT">$2<ex>Shift+Alt</ex></ph>.
   </message>
 </grit-part>