Updating submodules
Summary:
GitHub commits:
https://github.com/facebook/fbthrift/commit/36ab9debf5a445c2f4377a8e138a6257e778e06b
https://github.com/facebook/folly/commit/55e5070f0a6e18ef3e1c1026947d21eb840d8917
https://github.com/facebook/litho/commit/5fed1a6da76e97d14974147451602eb3a3668b3e
https://github.com/facebook/proxygen/commit/9f0f470fce08e0cc749c883e6c0160b098d68b64
https://github.com/facebook/rocksdb/commit/e1dfe80fe01810970bc5e5aa089aa24fd2103f89
https://github.com/facebookincubator/katran/commit/786d2c588cd773b48bbd6c7479a4c568e1ed6bf0
https://github.com/pytorch/fbgemm/commit/6c2b9d596d81c2433154e06c48b7b3e2b9130c86
Test Plan: n/a
Reviewed By: zpao
fbshipit-source-id: 1242688c93ba233f19f3afac174c814ae4c455dc
