Support folly::heap_vector_types in Thrift
Support folly::heap_vector_types in Thrift

Summary: Make it possible to use folly::heap_vector_map and folly::heap_vector_set in C++ Thrift

Reviewed By: yfeldblum

Differential Revision: D34745914

fbshipit-source-id: 760ebfa80fc53dcb2ef9c73d227324f627e16fbf

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly