I'm saying Google is a douche bag for taking the concept of Java, hiring Oracle developers to rebuild it just different enough to not infringe, and basing an entire OS on it's concepts. The difference is intent. From the emails I read the developers knew this and were attempting to get an answer as to how they should proceed. What does that indicate to you?
It's ultimately no different than WINE in a lot of ways. WINE isn't Windows, and uses its own code built from scratch, but can run Windows programs because it mimics the same basic functions called in the same basic order. It presents a similar environment without directly infringing on anything MS does.
Dalvik is the same way. I mean if Google had the talent to implement a clean room environment of Java, they could have certainly written their own platform completely separate from it just as easily. The reason they did it was to levarage Java's userbase, to present an environment people were already familiar with, but did so without stepping on any of Oracle's IP.