Summary:
GitHub commits:

https://github.com/facebook/folly/commit/223824e541306293eff9c32ffc643ed3f3118def
https://github.com/facebook/watchman/commit/f12c100b30679bc1f5c69d9b89ffdbb3663551cc
https://github.com/fairinternal/egohowto/commit/73b3bd13bedcfce6f2dab0b3c438fd499eab5709
https://github.com/pytorch/fbgemm/commit/55cd84c5191ef9d7b8de1850ce3c97ed6aa828f6

Reviewed By: bigfootjon

fbshipit-source-id: ad26e210fdc928422a4841cb1ac937b885e6e700