Implement VMClassLoader's native methods.

Change-Id: I6e617f415e54ce29c3a0a470b58e79d3aaa0a4bf
diff --git a/src/runtime.cc b/src/runtime.cc
index 5dc057e..0990851 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -463,7 +463,7 @@
   REGISTER(register_java_lang_System);
   REGISTER(register_java_lang_Thread);
   REGISTER(register_java_lang_Throwable);
-  //REGISTER(register_java_lang_VMClassLoader);
+  REGISTER(register_java_lang_VMClassLoader);
   //REGISTER(register_java_lang_reflect_AccessibleObject);
   REGISTER(register_java_lang_reflect_Array);
   //REGISTER(register_java_lang_reflect_Constructor);