Rename CONDITIONAL & STRICT
Rename CONDITIONAL & STRICT

Summary: Rename to `kConditional` and `kStrict` to avoid conflicts with some definitions on certain platforms.

Reviewed By: ssj933

Differential Revision: D22773423

fbshipit-source-id: fac2d0dad9cd096080de89786f6fac497769c07d

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex