Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/folly/commit/cc9032a0e41a0cba9aa93240c483cfceb0ff44ea
https://github.com/facebookincubator/velox/commit/55bfc063fd4b251290d27d5b9a08cc89997ae6e1

Reviewed By: 2d2d2d2d2d

fbshipit-source-id: f5edd14af8af27a1a68a5e480ad79e7478e96718

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