California restaurants are reportedly laying off staff and reducing hours for other team members in an effort to cut costs ahead of a California state law taking effect on April 1 that will raise fast-foot workers’ hourly wage to $20. In the months leading up to the wage mandate, California eateries, particularly pizza joints, have established a plan to cut jobs, according to state records obtained by The Wall Street Journal. Pizza Hut and Round Table Pizza — a Menlo Park, Calif.-founded chain of 400 pizza parlors, mostly on the West Coast — have said they plan to lay off...