Skip ARC initial screen when everything is set up by policy

chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h

Index: chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h
diff --git a/chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h b/chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h
index 0d4ec31d9d71d86501bca621289e6ed3d8746d62..2cc6d3b9977d968768a80f6906e34bc4fe075387 100644
--- a/chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h
+++ b/chrome/browser/chromeos/arc/optin/arc_optin_preference_handler.h
@@ -20,6 +20,10 @@ class ArcOptInPreferenceHandlerObserver;
 // observes changes there. Changes in preferences and metrics mode are passed to
 // external consumer via ArcOptInPreferenceHandlerObserver. Once started it
 // immediately sends current state of metrics mode and preferences.
+//
+// Note that the preferences and metrics mode passed by this class should only
+// be used for the OptIn flow, as this class overrides some of the defaults in
+// order to encourage users to consent with the settings.
 class ArcOptInPreferenceHandler {
  public:
   ArcOptInPreferenceHandler(ArcOptInPreferenceHandlerObserver* observer,