Lululemon, a CANADIAN maker of yoga outfits, does not have many things in common with Rolls-Royce, a British engine manufacturer. One thing they do share, along with scores of other foreign companies, is space in the sprawling Embassy Manyata Business Park in Bangalore. Hundreds of others, among them Maersk, a Danish shipping firm, Samsung, a South Korean electronics giant, and Wells Fargo, an American bank, have offices within a few miles….