The Food and Drug Administration is moving with unprecedented speed to launch a drug research center to be paid for by companies it regulates.The goal of the Reagan-Udall Foundation, approved by Congress and signed into law late last month, is to streamline and improve the development of drugs and medical devices, a goal long sought by regulators and the biggest players in the industry, such as Merck & Co., Pfizer Inc., Wyeth, GlaxoSmithKline PLC, and Johnson & Johnson.