[PR] Add module.builtinModules

Summary:
Added in node 9.3.

nodejs/node#16386

I'm unable to compile (`make: *** [_build/src/common/xx/xx_stubs.o] Error 2`), thus enable to run the tests and fix the assertion
Pull Request resolved: #5529

Reviewed By: dsainati1

Differential Revision: D13829969

Pulled By: nmote

fbshipit-source-id: 2e265d9f747737d9f0ccda16f7300f9c5bee469f

lib/core.js

@@ -831,6 +831,7 @@ declare var module: {
     loaded: boolean;
     parent: any;
     children: Array<any>;
+    builtinModules: Array<string>;
 };
 declare var require: {
   (id: string): any;