Close the notification shade when starting dream.

    private final Intent mDreamingStoppedIntent = new Intent(Dream.ACTION_DREAMING_STOPPED)

            .addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);

    private final Intent mCloseNotificationShadeIntent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);

    private DreamRecord mCurrentDream;

    public DreamController(Context context, Handler handler, Listener listener) {

    public void startDream(Binder token, ComponentName name, boolean isTest, int userId) {

        stopDream();

        // Close the notification shade

        mContext.sendBroadcast(mCloseNotificationShadeIntent);

        Slog.i(TAG, "Starting dream: name=" + name + ", isTest=" + isTest + ", userId=" + userId);

        mCurrentDream = new DreamRecord(token, name, isTest, userId);