This reverts commit cfff527a.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> clang-tidy and clang-format applied
> 
> TBR=braveyao@chromium.org
> Bug: None
> Test: local arm builds still pass
> Change-Id: Iac042fbaad940e01fc4ce228a104d3d561b80f92
> Reviewed-on: https://chromium-review.googlesource.com/929999
> Reviewed-by: Frank Barchard <fbarchard@chromium.org>

TBR=fbarchard@chromium.org,braveyao@chromium.org

Change-Id: I4ee92ceeaa3c34bce3f20bf759dd30593807ad3f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: None
Reviewed-on: https://chromium-review.googlesource.com/930141Reviewed-by: Frank Barchard <fbarchard@chromium.org>