Revert "In GrVkGpuCommandBuffer when setting bounds to full RT use proxy bounds instead of surface."

This reverts commit 9b7bfd09106fa136721b229265f5d5eb2b397e57.

Reason for revert: Looks like a blurs got broken, espcially on nvidia

Original change's description:
> In GrVkGpuCommandBuffer when setting bounds to full RT use proxy bounds instead of surface.
> 
> My guess is perf wise this will be a wash/nothing really changes, but it at least lets
> Vulkan know exactly what our intention is.
> 
> Bug: skia:
> Change-Id: I8ddeccc602154c793d8f7d7de087a655a136dc9c
> Reviewed-on: https://skia-review.googlesource.com/c/160620
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

TBR=egdaniel@google.com,robertphillips@google.com

Change-Id: I5bd09a4d9b7ee48e32c86fc8e42a3e27409907bb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/c/160761
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
12 files changed