Apple has seen its share of smartphone sales overtaken by Android devices in recent months, and now, according to a report from a British newspaper, it could be in the process of losing the lead in app downloads as well.Related StoriesFree iPad app features 51 films by animation pioneer Norman McLarenEE to launch UK's first shared mobile tariffsApple unveils minimalist iOS 7 and OS X banners at WWDC 2013 ve