Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/folly/commit/0d2bdbf0e0618bd9366d3c35345e091ee24f0fae
https://github.com/facebook/litho/commit/d11ee337a269888e631f62beb6901032e49aa6c1
https://github.com/facebook/mcrouter/commit/4b74b0873846cfe20f733cfee2cf3756e96239b1
https://github.com/facebook/rocksdb/commit/f70ad031379ae0ffe2ecfd38d5cc8234bf176349
https://github.com/facebookincubator/fizz/commit/f954f2f3bd4fe6190c1e0dc87ceb08d37585b550
https://github.com/facebookincubator/katran/commit/d78dc51b4cbb4b0e6a5c535c4563357f56990185
https://github.com/facebookincubator/mvfst/commit/c5584519418fe0fbb11e479a3034b47175a1d0df

Reviewed By: jurajh-fb

fbshipit-source-id: 9feb5ad23345380832ed158ba930409bfa1d2d0a

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