any propagation for keysT
any propagation for keysT

Summary: keys can't ever be tainted by any, so we just short circuit here

Reviewed By: samwgoldman

Differential Revision: D10275701

fbshipit-source-id: 22d1d9fa691ce9784478177bc17d266d7b33f2a1

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow