Rename skgpu::v1 -> skgpu::ganesh in some Ganesh ops (ed. 2)

Change-Id: Ida055b7100edd6b679eff74484cde911fa061182
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/586512
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
10 files changed