http://www.engadget.com/2010/09/02/shocker-googles-android-logo-boosted-from-atari-lynx-title-ga/

I suspect any shape as simple as Google's Android logo shape will have dozens "accidental similarities" around (in particular if you only look for semi-similar copies). This is not to say that a Google designer might not have been inspired by it, I'm just saying.