Revert "ccpr: Set atlas proxy size to draw bounds rather than backing size"

This reverts commit 46d0f9aad1e68b90774315ad09abe55dd8fe2fd9.

Reason for revert: Didn't switch to GrTexture size for clipping ops.

Original change's description:
> ccpr: Set atlas proxy size to draw bounds rather than backing size
> 
> Bug: skia:
> Change-Id: I6605754ecc5377b1c25847fdda478f8246979a2f
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209808
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

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

Change-Id: I9ea5f9939e7e7fe498a165a71a71b0a6e28cff6c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210424
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
8 files changed