In addition to checking .fp files, this ought to make this bot now also
check that our .gn files are formatted and our #includes are consistent
with rewrite_includes.py.
Some .gn files needed formatting; you can see the failure caught on PS 4.
Cq-Include-Trybots: skia.primary:Housekeeper-PerCommit-CheckGeneratedFiles
Change-Id: Ia6669581406212c986da81f2521e4e9d8d3eadb4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/229802
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
e172236e7b