RFR (M): 8201247: Various cleanups in the attach framework

[Langer, Christoph]

Hi Goetz,

thanks for the review.

> You say you are sorting the includes, but in the VirtualMachineImpl.c
> files the order is changed, but according to which order? It's
> not alphabetical as in other files.

It is. However, I have put "subdirs" first. That is, the includes from sys/* come first (in alphabetical order).

Best regards
Christoph