fix define comments
add generated comment for includes

R=caryclark@google.com

Docs-Preview: https://skia.org/?cl=132924
Bug: skia:6898
Change-Id: I42034e2753ed079dd0d0e3ae99f976d32ffaf77a
Reviewed-on: https://skia-review.googlesource.com/132924
Reviewed-by: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
Commit-Queue: Cary Clark <caryclark@skia.org>
4 files changed