Merge "Dismiss keyguard when resuming visible activities" into klp-dev

        next.idle = false;

        next.results = null;

        next.newIntents = null;

        if (next.nowVisible) {

            // We won't get a call to reportActivityVisibleLocked() so dismiss lockscreen now.

            mStackSupervisor.dismissKeyguard();

        }

        // schedule an idle timeout in case the app doesn't do it for us.

        mStackSupervisor.scheduleIdleTimeoutLocked(next);