Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/fbthrift/commit/77411b0a606e2b6124794a0e16695275d142429c
https://github.com/facebook/litho/commit/adf3b2a5be85e5eb7fdd7cd38606d4fa0f91724c
https://github.com/facebookincubator/velox/commit/c622fba55c81a7d40b8503d602dfa1bafd232eed

Reviewed By: 2d2d2d2d2d

fbshipit-source-id: 8f79900969a2453309367f37d83f9e220fe7a8e8

facebook/bistro,facebook/bistro,facebook/bistro,facebook/bistro,facebook/bistro,facebook/bistro