Change Copyright mark to block style

Change-Id: I4dc7849f9d018331ebbcad96beb79c614419e207
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/655216
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Herb Derby <herb@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
3 files changed