Reduce arbitrary opList splitting when sorting

Change-Id: I49a47672600f72dc46f27462a2c344e77a06a659
Reviewed-on: https://skia-review.googlesource.com/141243
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
4 files changed