Revert "Revert "Add SupplementalProcess stubs and bootclasspath ..."

Revert^2 "Add bootclasspath config in Auxiliary."

ba33413304d140c02bd8d2477576fb19889af031

Change-Id: I2e8f05406c90565b517f5d7d05aae0dc6d8a4200
diff --git a/api/Android.bp b/api/Android.bp
index d8727f9..3075d38 100644
--- a/api/Android.bp
+++ b/api/Android.bp
@@ -129,6 +129,7 @@
         "i18n.module.public.api",
     ],
     conditional_bootclasspath: [
+        "framework-auxiliary",
         "framework-supplementalapi",
     ],
     system_server_classpath: [