PDFViewerUpdate: Update download menu strings

Fixed: 1123220
Change-Id: Iefc01cc978f6aff863f3c4244c32ed57b137df59
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2382884Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802862}

components/pdf_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
   <if expr="enable_plugins">
-    <message name="IDS_PDF_DOWNLOAD_ORIGINAL" desc="The label for the menu option to download the original, unedited PDF document.">
-      Original
+    <message name="IDS_PDF_DOWNLOAD_ORIGINAL" desc="The label for the menu option to download the original, unedited PDF document (without user's changes).">
+      Without your changes
     </message>
-    <message name="IDS_PDF_DOWNLOAD_EDITED" desc="The label for the menu option to download the edited PDF document.">
-      Edited
+    <message name="IDS_PDF_DOWNLOAD_EDITED" desc="The label for the menu option to download the edited PDF document (with user's changes).">
+      With your changes
     </message>
     <message name="IDS_PDF_NEED_PASSWORD" desc="A message asking the user for a password to open a PDF file.">
       This document is password protected.  Please enter a password.

components/pdf_strings_grdp/IDS_PDF_DOWNLOAD_EDITED.png.sha1

-9b59caae9c0e709d84198386fc00aa055a052755
+c4663bd00edabaf5df093db39fe35de80f22043d
\ No newline at end of file

components/pdf_strings_grdp/IDS_PDF_DOWNLOAD_ORIGINAL.png.sha1

-b05a8b4f838f539981ca71194fcd95bed928eda4
+962599ba39e59182474aa1fd68a8a5927972ee4a
\ No newline at end of file