Canadian apparel maker Gildan Activewear Inc. announced that it acquired American Apparel via a bankruptcy auction. The news comes on the heels of various media reports that Amazon, rumored to be developing its own activewear, was bidding on the troubled U.S. fashion retailer. The deal, valued at about $88 million in cash, is subject to approval from a bankruptcy court on Thursday. Included with the purchase are American Apparel's intellectual property rights and certain manufacturing equipment.…