mosys: Clang-format file_unittest.c

- Setup CL to enable file_unittest. This way there won't be extra diffs
in the next CL.

BUG=chromium:929927
TEST=emerge-coral mosys

Change-Id: I082a8d2f286bee444e60d6c2b87505bd6d87ddfe
Reviewed-on: https://chromium-review.googlesource.com/1473470
Commit-Ready: Andrew Lamb <andrewlamb@chromium.org>
Tested-by: Andrew Lamb <andrewlamb@chromium.org>
Reviewed-by: Gregory Meinke <gmeinke@chromium.org>
1 file changed