Adding string annotations to markEvent
Adding string annotations to markEvent

Summary:
Adding string annotations support to markEvent API in ReactNative

Changelog:
[Internal][Change] - markEvent API now supports string annotations

Differential Revision: D33795346

fbshipit-source-id: 414cbd08ce5ff6045e2f35ae77059be5add3d834

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