Summary:
RCTScheduler represent facebook::react::Scheduler as a Obejctive-C object.
It supposed to be single, unified, bidirectional interop layer between C++ and Obejctive-C worlds.
Reviewed By: mdvacca
Differential Revision: D7526405
fbshipit-source-id: a206755f64f2904981b356a40e7659922b24d7bb
Valentin Shergin