Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/folly/commit/49926b98f5afb5667d0c06807da79d606a6d43c3
https://github.com/facebook/litho/commit/5eb4f0b373a59b3deee15e058b07f65af3f8a5e2

Reviewed By: jurajh-fb

fbshipit-source-id: 5d407abc664918bedd45d8679a38fcf6e14c393c

facebook/wangle,facebook/wangle,facebook/wangle