Reland "Reland "Fill in GrD3DGpu::onUpdateBackendTexture""

This is a reland of f58d19a51b67ff75d0acf8e5bd411954052050cb

Original change's description:
> Reland "Fill in GrD3DGpu::onUpdateBackendTexture"
> 
> This is a reland of 5a967f593cd71b079fa7bb00d5b5a6fc2d04ca77
> 
> Original change's description:
> > Fill in GrD3DGpu::onUpdateBackendTexture
> > 
> > Change-Id: I83268cf9daf62c0bab831cf5340b85f31cc941b0
> > Bug: skia:9935
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/295834
> > Commit-Queue: Jim Van Verth <jvanverth@google.com>
> > Reviewed-by: Greg Daniel <egdaniel@google.com>
> 
> Bug: skia:9935
> Change-Id: I3c1eb65a7a734cc0169cd3d0d77d1d20126107a5
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/298119
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Jim Van Verth <jvanverth@google.com>

Bug: skia:9935
Change-Id: I34d9ba973681b53e03eef8b932dfd3a209281f27
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/298356
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
3 files changed