The lawsuit against Google for Oracle (on the issue of Java) has to break a confidence to the day on an agreement between Google, Motorola and Verizon.
This document contains guidelines very interesting: "Do not develop openly. On the contrary, distribute the source code once completed innovation "and" The concept of devices in mind: to guarantee access to the code in preview to partners who build and sell equipment manufactured to our specifications (that is to say Motorola and Verizon). They get a non-contractual benefit in time to market and, in turn, are aligned with our standards / criteria. "