Fission GrSurfaceFillContext into skgpu:: and skgpu::v1:: versions (take 2)

The only really interesting parts are:
  src/gpu/SurfaceFillContext.*
  src/gpu/v1/SurfaceFillContext.*

Everything else is mostly mechanical.

TBR=michaelludwig@google.com
Bug: skia:11837
Change-Id: Ia208e9a73d1529804c06d4f805d8ca3674851496
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436558
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
45 files changed