fdpoll will now run a callback when about to sleep / woke up.
A new Java interface to indicate server started / sleeping / waking up.
An android implementation may allow the CPU to sleep.
If there's a java exception the server will try to shutdown.
Calling servald stop is currently undefined.
- support mdp clients over loopback UDP
Note this is using an environment variable to specify the port number
In future we expect to support environments where this port is already bound
- monitor mdp sockets in a single & separate thread
This allows the output fields of any command to contain nul characters, which
paves the way for extracting a manifest or other binary data directly instead
of having to write it into a temporary file.
