minijail: Add Makefile target to compile libminijail.so

BUG=chromium-os:19502
TEST=emerge chromeos-minijail for x86-generic and arm-generic

Change-Id: Id95bfaa8b2317cd4607f6e9161e8d6cb6477efd7
Reviewed-on: http://gerrit.chromium.org/gerrit/6487
Reviewed-by: Elly Jones <ellyjones@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
1 file changed