Move setup-nfsdump task after boot test
Switch to using preboot_tasks/postboot_tasks for host types and move the setup-nfsdump task after the boot test, so we're sure we're dumping the kernel being tested.
Switch to using preboot_tasks/postboot_tasks for host types and move the setup-nfsdump task after the boot test, so we're sure we're dumping the kernel being tested.