Summary:
* Motivation *
Second PR for Apple TV support.
* Test plan *
Apple TV tests have been added to scripts/objc-test.sh
Closes https://github.com/facebook/react-native/pull/10227
Differential Revision: D3974064
Pulled By: javache
fbshipit-source-id: 36dffb4517efa489e40fa713a30655d1d76ef646
Douglas Lowder