Summary:
Ran `arc f` against some CPP files to be modified with the next diff
to reduce the churn on it.
## Changelog
[Android] [Changed] - Formatted cpp/h code with clang-format
Reviewed By: javache
Differential Revision: D19371785
fbshipit-source-id: b7f7b92c4cb9ec7f8da728bb577db29cf11fbb39