A district judge or a county court at law judge may refer to a criminal law hearing officer any criminal case for proceedings involving:
(1) a bond forfeiture;
(2) the arraignment of defendants;
(3) the determination of whether a defendant is indigent and the appointment of counsel for an indigent defendant; and
(4) a negotiated plea of guilty or nolo contendere before the court, in accordance with Article 26.13, Code of Criminal Procedure.