Simplify the code to expose allMask()/noneMask()
Simplify the code to expose allMask()/noneMask()

Summary: We can just use function aliasing.

Reviewed By: iahs

Differential Revision: D39964709

fbshipit-source-id: e88e363072f0dc1834ed59d98c03643bdcb930a2

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