AsyncMcServer paused() to query if pause() without a resume() has been called
AsyncMcServer paused() to query if pause() without a resume() has been called

Reviewed By: andreazevedo

Differential Revision: D15422290

fbshipit-source-id: aaaf8f77307870cb6c47505cf1d2ed3e47ca945a

facebook/mcrouter,facebook/mcrouter,facebook/mcrouter,facebook/mcrouter