Revert "Split cleanup changes out of bigger CL"

This reverts commit cd11c809f206af0da3ce1779dee3c91193baa7b0.

Reason for revert: assert(rtp->getLastOpList())

Original change's description:
> Split cleanup changes out of bigger CL
> 
> This are split out of: https://skia-review.googlesource.com/c/11581/ (Split up opLists)
> 
> TBR=bsalomon@google.com
> 
> Change-Id: I1239e806a30a93d3c17ad933f118b98a5077dd3a
> Reviewed-on: https://skia-review.googlesource.com/13585
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> 

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Ia3ef7322fe830a6a4dc29226ce931d35d181c6e0
Reviewed-on: https://skia-review.googlesource.com/13641
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
18 files changed