Update Supervised user error page strings.

This cl updated supervised user error page strings.

Bug: 850328
Change-Id: I5d4f888cbb81e3da137c82a48837c882a6b3cb2a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2002681Reviewed-by: Aga Wronska <agawronska@chromium.org>
Commit-Queue: Yilkal Abe <yilkal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732486}

chrome/app/supervised_user_error_page_strings.grdp

@@ -47,7 +47,7 @@
         We could not reach your parents at the moment. Please try again.
       </message>
       <message name="IDS_BLOCK_INTERSTITIAL_SEND_FEEDBACK" desc="The text for a link to submit feedback about a blocked site.">
-        Was this unexpected? <ph name="BEGIN_LINK">&lt;a href="#" id="feedback-link"&gt;</ph>Send feedback<ph name="END_LINK">&lt;/a&gt;</ph>
+        Was this result unexpected? <ph name="BEGIN_LINK">&lt;a href="#" id="feedback-link"&gt;</ph>Send feedback<ph name="END_LINK">&lt;/a&gt;</ph>
       </message>
       <message name="IDS_BLOCK_INTERSTITIAL_SHOW_DETAILS" desc="The text for the link to show details about the interstitial.">
         Details