Add ReleaseState
Add ReleaseState

Summary: The AST/Schema version of D40760869 (https://github.com/facebook/fbthrift/commit/cf4f0d1b7599037a0e01c2b4963dee082a39c040)

Reviewed By: iahs

Differential Revision: D40921898

fbshipit-source-id: 867e0842d4030306d7dffab23093b80ee3d7003a

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