In the future of transportation, what would you get if you mixed the business models of Tesla Inc., Google and Samsung Electronics Co. with the budget of the world’s fifth-biggest automaker?Chi Young Cho is about to find out.Hired from Samsung, Chi has assembled a team of 200 researchers at Hyundai Motor Co., the 50-year-old South Korean carmaker that fought its way to the top echelon of the auto world and is now struggling to stem flagging sales in some of its biggest markets.