Add SE Android support for init and ueventd.
init:
- Load policy at boot.
- Set the security context for service daemons and their sockets.
- New built-in commands: setcon, setenforce, restorecon, setsebool.
- New option for services: seclabel.
ueventd:
- Set the security context for device directories and nodes.
Change-Id: I98ed752cde503c94d99dfa5b5a47e3c33db16aac
make doesn't seem to handle the absolute symlink from
$OUT/root/sbin/ueventd to /init well - it follows the link during
dependency resolution, decides $OUT/root/sbin/ueventd doesn't exist
because /init doesn't exist, and relinks it every time.
Change-Id: I9ca1c14fe5fa80634f51ffc51a7c73146d29d42e
