[Chromoting] Add checkbox label for permission override

Change-Id: I1ea23ac27a95d95491470d9a5d27713a35e5fb64
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2032328
Auto-Submit: Gary Kacmarcik <garykac@chromium.org>
Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
Commit-Queue: Jamie Walch <jamiewalch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737180}

remoting/resources/remoting_strings.grd

@@ -1363,6 +1363,9 @@
         <message name="IDS_MAC_PERMISSION_WIZARD_FINAL_TEXT" desc="The text shown on the final screen of the permission wizard that lets the user know they have successfully granted the permissions necessary for Chrome Remote Desktop to work properly. Mac-only.">
           You're all set!
         </message>
+        <message name="IDS_MAC_PERMISSION_ALREADY_DONE" desc="The label for the checkbox that the user can check to indicate that they have already granted this permission. This can be used to override the automatic permission check, for example when our heuristic to check permission is failing. Mac-only.">
+          I have already granted this permission.
+        </message>
         <message name="IDS_ACCESSIBILITY_PERMISSION_DIALOG_TITLE" desc="The title of the prompt that asks the user to grant 'Accessibility' permission to the Chrome Remote Desktop service. This permission is part of the 'Privacy and Security' preferences pane. Mac-only.">
           Grant 'Accessibility' permission to <ph name="PRODUCT_NAME">$1<ex>Chrome Remote Desktop</ex></ph>
         </message>