[MD Settings] Update the message in the sign out dialog for (non-)managed accounts.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- About Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_ABOUT_PAGE_DETAILED_BUILD_INFO" desc="Label describing the section that shows detailed information about the current Chrome build.">
       Detailed build information
     </message>
     <message name="IDS_SETTINGS_ABOUT_PAGE_ARC_VERSION" desc="Label for ARC version">
       ARC Version
@@ skipping 2002 matching lines @@
     <message name="IDS_SETTINGS_CHANGE_PICTURE_OLD_PHOTO" desc="The text on the existing photo, which was either taken by the webcam or read from a file.">
       Existing photo from camera or file
     </message>
   </if>
 
   <if expr="not chromeos">
     <message name="IDS_SETTINGS_PEOPLE_DOMAIN_MANAGED_PROFILE" desc="Provides the domain information for domain-managed accounts.">
       Managed by <ph name="DOMAIN">$1<ex>example.com</ex></ph>
     </message>
     <message name="IDS_SETTINGS_SYNC_DISCONNECT_MANAGED_PROFILE_EXPLANATION" desc="The text to display in the 'Sign out of Chrome' dialog to stop syncing for managed profiles.">
-      Because this account is managed by <ph name="DOMAIN">$1<ex>example.com</ex></ph>, your bookmarks, history, passwords, and other settings will be cleared from this device. However, your data will remain stored in your Google Account.
+      Because this account is managed by <ph name="DOMAIN">$1<ex>example.com</ex></ph>, your bookmarks, history, passwords, and other settings will be cleared from this device. However, your data will remain stored in your Google Account and can be managed on <ph name="BEGIN_LINK">&lt;a href="$2" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$2" target=&quot;_blank&quot;&gt;</ex></ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
     </message>
     <message name="IDS_SETTINGS_EDIT_PERSON" desc="Title of the edit person subpage. This is a subpage to edit the name and icon of a Chrome Profile.">
       Edit person
     </message>
   </if>
 
   <message name="IDS_SETTINGS_SYNC_OVERVIEW" desc="The message that appears in the options dialog when sync has not been set up by the user.">
     Sign in to get your bookmarks, history, passwords and other settings on all your devices. You'll also automatically be signed in to your Google services.
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT" desc="The text to display on the button to indicate stop syncing functionality.">
     Sign Out
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_EXPLANATION" desc="The text to display in the Sign out of Chrome dialog to stop syncing for non-managed profiles.">
-    Changes to your bookmarks, history, passwords, and other settings will no longer be synced to your Google Account. However, your existing data will remain stored in your Google Account.
+    Changes to your bookmarks, history, passwords, and other settings will no longer be synced to your Google Account. However, your existing data will remain stored in your Google Account and can be managed on <ph name="BEGIN_LINK">&lt;a href="$1" target=&quot;_blank&quot;&gt;<ex>&lt;a href="$1" target=&quot;_blank&quot;&gt;</ex></ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>.
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_DELETE_PROFILE" desc="The text to display by the checkbox asking user whether to also delete profile when stopping sync.">
     Also remove your existing data from this device.
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_CONFIRM" desc="The text to display on the button to confirm the user wishes to stop syncing.">
     Clear and Sign Out
   </message>
 
   <message name="IDS_SETTINGS_SYNC" desc="Name of the sync service.">
     Sync
@@ skipping 453 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>