Fix fields and methods count for redex-stats
Fix fields and methods count for redex-stats

Reviewed By: thezhangwei

Differential Revision: D5075047

fbshipit-source-id: 68fd587b165566ada11889f35ff22056afd5f0ef

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