Implement test binary for threadsafe clients
Implement test binary for threadsafe clients

Summary: Add support for Go in the example service

Differential Revision: D14950526

fbshipit-source-id: 1e8f48db3aa1f1eb001492907b1b8ea86a6f9405

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift