After April’s dearth of new restaurant openings, May brings more than 20 new local eateries, featuring everything from upscale Asian to tacos to Indian pizza. May also marked the closing of six restaurants, including one that had been a Valley mainstay for 34 years.   OPENING   212° Shabu Shabu From the folks at Three Thirty Three, an elevated dining experience showcasing shabu shabu, a design-your-own combo of broth, meats, seafood, vegetables and noodles cooked...