Move unused fields to bottom

Change-Id: I41593bf44efc0c8baa2d675e406169eb303b5015
Reviewed-on: https://skia-review.googlesource.com/c/167682
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed