This is a reland of fa87f9c7b9
Went back to original approach of checking isFramebufferOnly outside
GrCopyRenderTask::Make().
Original change's description:
> Add backend texture and backend render target versions snapshot GMs
>
> GPU may behave differently depending on whether the SkSurface backing
> store is wrapped and whether it is a texture or not.
>
> Bug: skia:11208
> Change-Id: I5e9921d56c0840cfe34ed2926a55be7460409b23
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/364639
> Reviewed-by: Adlai Holler <adlai@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
Bug: skia:11208
Change-Id: I7af6078e904fdd772b97ad3a27e26cab577fc6a3
Cq-Include-Trybots: luci.skia.skia.primary:Test-Ubuntu18-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-PreAbandonGpuContext
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/365702
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
56c78f4d9e