Updating submodules
Summary:
GitHub commits:
https://github.com/facebook/fbthrift/commit/54dc44ba8ae1ceba339cf47818965639647e2524
https://github.com/facebook/litho/commit/726a62cb892d1f16f16e72d4370cd99b96deb2a9
https://github.com/facebook/proxygen/commit/955756111e09b09d0751a16157e6a99296623cd6
https://github.com/facebook/rocksdb/commit/66a95f0fac3066aa6f1ac4cda3a844f49f6977a2
https://github.com/pytorch/fbgemm/commit/f1d333089f9442e48af73abe73148516a3bab110
Test Plan: n/a
Reviewed By: zpao
fbshipit-source-id: 3585db200a5d84ba01b8cf90a3bd7bf003314345
