[pjmlp]

Which is a kind of nit picking for Google laywers, as the approach taken by Dalvik/ART has been quite common in the embeded space, see PTC, Aicas, Aonix, microEJ, Websphere Real Time,...

Not all of them are available, however all of them do support AOT compilation, and their own bytecode format more optmized for their use cases than regular .class files.

The big difference between them and Google, is that they always played by the Sun/Oracle rules regarding Java licensing.