Licensing — Driver’s license — Suspension — Driving with unlawful breath or blood alcohol level — Lawfulness of detention — Officer who stopped vehicle for traffic infraction and noted indicia of impairment during initial detention did not unreasonably detain licensee while waiting for arrival of another officer to conduct DUI investigation — There was no evidence that stopping officer or other responding officers were qualified to conduct DUI investigation — Forty-five-minute extension of detention while awaiting DUI investigator was not unreasonable under circumstances