A witness in a patent trial between Google (GOOG) and Microsoft (MSFT) reportedly shared Google's projected sales for Microsoft's Xbox: $94 billion through 2017. And Google wants a cut of that revenue, as Microsoft uses patents held by its Motorola Mobility unit to build the gaming consoles. The witness was an expert called by Google in a case that's asking the court to decide how much in royalties Microsoft should pay for those patents, according