Revert "Fission GrSurfaceFillContext into skgpu:: and skgpu::v1:: versions"

This reverts commit af844c79d5358fd51a7f2fb439324cfd7f0798c1.

Reason for revert: breaking chrome roller

Original change's description:
> Fission GrSurfaceFillContext into skgpu:: and skgpu::v1:: versions
>
> The only really interesting parts are:
>   src/gpu/SurfaceFillContext.*
>   src/gpu/v1/SurfaceFillContext.*
>
> Everything else is mostly mechanical.
>
> Bug: skia:11837
> Change-Id: If2945f30dadd6ad0cccf6ff2b53e4a92b1dc6cbc
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436099
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Michael Ludwig <michaelludwig@google.com>

TBR=robertphillips@google.com,michaelludwig@google.com,skcq-be@skia-corp.google.com.iam.gserviceaccount.com

Change-Id: I3b2d1d4a30e253a107f55dc3c5ecaaee5386e6e8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:11837
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436557
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Derek Sollenberger <djsollen@google.com>
45 files changed