Add ART module-lib and system API to the collection

Bug: 157639992
Test: m update-api
Change-Id: Icae91fd724dd1f827a61e0a7a248fd1db8532e53
diff --git a/StubLibraries.bp b/StubLibraries.bp
index 10d64fc..6f66c43 100644
--- a/StubLibraries.bp
+++ b/StubLibraries.bp
@@ -314,7 +314,7 @@
 
 modules_system_stubs = [
     "android.net.ipsec.ike.stubs.system",
-    "art.module.public.api.stubs", // Only has public stubs
+    "art.module.public.api.stubs.system",
     "conscrypt.module.public.api.stubs", // Only has public stubs
     "framework-connectivity.stubs.system",
     "framework-media.stubs.system",