Fix destruction order

Fix destruction order

Summary:
- Added `hazptr.cpp` and `memory_resource.cpp`. Moved singleton code to source.
  - Changed the singleton for the default `hazptr_domain` to a global.
  - Changed hazptr_stats singleton to a global.
  - Moved the thread caching calls from the hazptr_domain functions to the constructor/destructor of hazptr_holder.
  - Changed the TLS singletons to TLS globals.
  - Changed some inlining directives.
  - Leak the hazptr_rec-s in the default domain

Reviewed By: davidtgoldblatt, djwatson

Differential Revision: D5553753

fbshipit-source-id: da69eecec55c0f78fb8ef5591f9aeffee99ff3fa