Add neverallow rules to ensure successful kill by artd.

Bug: 345723405
Test: m
Change-Id: I81c583b0144f3a1a0c122cae64e302878da34809
diff --git a/private/derive_classpath.te b/private/derive_classpath.te
index 8dd6572..d7c29c2 100644
--- a/private/derive_classpath.te
+++ b/private/derive_classpath.te
@@ -1,6 +1,6 @@
 
 # Domain for derive_classpath
-type derive_classpath, domain, coredomain;
+type derive_classpath, domain, coredomain, artd_subprocess_type;
 type derive_classpath_exec, system_file_type, exec_type, file_type;
 init_daemon_domain(derive_classpath)