Add timer api to extensions sandbox (#6604)

lib/util/utils.js

@@ -152,6 +152,12 @@ function loadModuleFromText(moduleCode) {
         require: require,
         module: {},
         console,
+        setTimeout,
+        clearTimeout,
+        setInterval,
+        clearInterval,
+        setImmediate,
+        clearImmediate,
     };
     vm.runInNewContext(moduleCode, sandbox, moduleFakePath);
     return sandbox.module.exports;