MODESTO (AP) — Dunkin’ Donuts is moving ahead on its plan to expand into California.The East Coast doughnut and coffee chain said Tuesday that it has filed permits to open its first free-standing stores in the state. Construction is expected to begin later this month. The locations will be in Downey, Long Beach, Modesto, Santa Monica and Whittier.The new locations are part of the company’s previously announced plans to expand into the state by 2015.