fix bookmaker build bot

Sync up with deletion of SkTransferFunctionBehavior.

TBR=brianosman@google.com
NOTRY=true

Docs-Preview: https://skia.org/?cl=141828
Bug: skia:6818
Change-Id: Ibcfad17b8e886a4c980e4eb2bbae5a007f4bb36e
Reviewed-on: https://skia-review.googlesource.com/141828
Commit-Queue: Cary Clark <caryclark@skia.org>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Cary Clark <caryclark@skia.org>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Cary Clark <caryclark@skia.org>
11 files changed