[torch/deploy] opt torch/csrc/depoy into autofromatting
Summary: One time formatting change + editing fbsource-lint-engine.toml.
Test Plan:
```
arc lint --take CLANGFORMAT --apply-patches --paths-cmd 'hg files caffe2/torch/csrc/deploy'
```
Reviewed By: wconstab, Lilyjjo
Differential Revision: D28100954
fbshipit-source-id: 831e5796d23c99a2f92e7abd9983ac07b1cf6fbb
