Revert "Consolidate quad optimizations into single internal function."

This reverts commit 646616a78fe0a003c94a27e79c7e55dcc9ae2d66.

Reason for revert: Suspected as cause of layout test changes.

Original change's description:
> Consolidate quad optimizations into single internal function.
> 
> Routes all non-textured quad draws through single internal function
> 
> Change-Id: Ief66864a0ad2d598982c5bf500c8a84ecbf84387
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215455
> Commit-Queue: Michael Ludwig <michaelludwig@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

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

Change-Id: I0dc6a0d948c0f5e9221ff6c9fbbbbbb9bc3d9bc0
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221737
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
9 files changed