MD Settings: Show "Set date and time" button when relevant

chrome/app/settings_strings.grdp

Index: chrome/app/settings_strings.grdp
diff --git a/chrome/app/settings_strings.grdp b/chrome/app/settings_strings.grdp
index a64733938b4e0fe92b1d8651b68b00c25e0f710e..4f91c071967c9dc0ae1be74e764baf39a7e63f05 100644
--- a/chrome/app/settings_strings.grdp
+++ b/chrome/app/settings_strings.grdp
@@ -931,6 +931,9 @@
     <message name="IDS_SETTINGS_USE_24_HOUR_CLOCK" desc="Label for the checkbox which enables a 24-hour clock (as opposed to a 12-hour clock).">
       Use 24-hour clock
     </message>
+    <message name="IDS_SETTINGS_SET_DATE_TIME" desc="Label for the button that shows the dialog for setting the system date and time.">
+      Set date and time
+    </message>
 
     <!-- Easy Unlock Page -->
     <message name="IDS_SETTINGS_EASY_UNLOCK_SECTION_TITLE" desc="The title of the Easy Unlock section on the settings page.">