Allow tests to be executed in platform agnostic environment
Allow tests to be executed in platform agnostic environment

Summary:
changelog: [internal]

Make ManagedObjectWrapper compile in platform independent environment.

Reviewed By: ryancat

Differential Revision: D34302957

fbshipit-source-id: 50bf296983525c48cda1e532934b9998077c9fbf

facebook/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,javache/react-native,javache/react-native,javache/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native,facebook/react-native,facebook/react-native