Reland "Merge GrOpList and GrRTOpList and rename to GrOpsTask."

This reverts commit f21bf9e50bb175eb151e90a01d7f8351da0802f8.

Reason for revert: relanding with infra fix

Original change's description:
> Revert "Merge GrOpList and GrRTOpList and rename to GrOpsTask."
>
> This reverts commit 2a5954140b49d18e5161a30a4ae2c7ac28bc1993.
>
> Reason for revert: breaking everything
>
> Original change's description:
> > Merge GrOpList and GrRTOpList and rename to GrOpsTask.
> >
> > Change-Id: I8f4f2218a30fd0541a8f79f7bb9850f9500cd243
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236343
> > Commit-Queue: Greg Daniel <egdaniel@google.com>
> > Reviewed-by: Brian Salomon <bsalomon@google.com>
>
> TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com
>
> Change-Id: I27840ea0343e8e6b388556afb7bd2e76386d611d
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236349
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com

Change-Id: Ibd3a06e4a91dbb1f225dcc8d17d0db3967b6f85f
No-Presubmit: true
No-Tree-Checks: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/236350
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
91 files changed