app_mode: Add a flag for kiosk app settings UI.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index ba2f5e16748af626eb9f0316905f0ce56a5a69db..28822ee68addb61d5ba3d1adb6e465b16ae12e28 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7055,6 +7055,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
         <message name="IDS_FLAGS_DISABLE_FULLSCREEN_APP_DESCRIPTION" desc="Description for the flag to disable auto run kiosk applications in full screen.">
           Disables making kiosk applications run in full screen automatically..
         </message>
+        <message name="IDS_FLAGS_ENABLE_KIOSK_APP_SETTINGS_NAME" desc="Name for the flag to enable kiosk app settings UI.">
+          Enable kiosk app settings UI.
+        </message>
+        <message name="IDS_FLAGS_ENABLE_KIOSK_APP_SETTINGS_DESCRIPTION" desc="Description for the flag to enable kiosk app settings UI.">
+          Enable kiosk app management in settings.
+        </message>
       </if>
       <message name="IDS_FLAGS_FULL_HISTORY_SYNC_NAME" desc="Name of the flag to disable full history sync.">
         Disable full history sync
@@ -14865,7 +14871,7 @@ You need to be signed in to use this feature.
     <message name="IDS_PROFILES_REMOVE_SHORTCUT" desc="Remove Shortcut button">
       Remove the desktop shortcut for this user
     </message>
-      
+
     <!-- Limited-user creation wizard dialogs -->
     <message name="IDS_NEW_LIMITED_USER_LEARN_MORE_TITLE" desc="Title for the 'Learn more' dialog for the limited user feature.">
       What is a limited user?