ATLANTA — Hotel owner Vimal Patel has traced a familiar path to success in the U.S. hospitality industry.Patel is part of the Indian diaspora, which owns a sizeable share of the hotels and motels in the country. Like others in the community, his start in the business was humble. He worked the front desk of a hotel owned by relatives, building his knowledge before eventually investing with them in multiple franchises.Now he’s spearheading a legal fight that reflects the growing clout and confidence of Indian Americans in …