As the little green robot known as Android wends its way into the enterprise, it's teaching useful lessons that are reshaping corporate attitudes toward the BYOD movement.Analysts and CIOs say the multifaceted nature of the mobile operating system is forcing companies to make key decisions about what they will, and won't, control in bring-your-own-device programs -- and those decisions are in turn cascading across all operating systems and devices.While Google's operating system has far surpassed Apple's iOS in worldwide mobile market share -- Android had more than 79% o the smartphone market in the second quarter of 2013, while iOS fell to 13%, ccording to IDC -- Apple still dominates the enterprise. According to a June 2013 activation report from mobile software maker Good Technology, 75% o the mobile activations at Good's Fortune 500 clients were for iOS devices.To continue reading,