Revert "Reland "Remove antialiasing control from GrPaint.""

This reverts commit 3944484020d98ff8f386378296106c321279482b.

Reason for revert: Merges badly with a recent change. Will rebase and reland.

Original change's description:
> Reland "Remove antialiasing control from GrPaint."
> 
> This contains fixes for GLPrograms test and mixed samples rendering.
> 
> This reverts commit 419d81eed4a010e6080db199795117cbedf9e6e4.
> 
> BUG=skia:
> 
> Change-Id: If8f002fbfaaaab6d1607403f2b15ccc7f1e17e87
> Reviewed-on: https://skia-review.googlesource.com/5763
> Commit-Queue: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> 

TBR=bsalomon@google.com,robertphillips@google.com,reviews@skia.org
BUG=skia:
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Iff9657041e28604a845bc5a9acec7c9b248c53bd
Reviewed-on: https://skia-review.googlesource.com/5772
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
76 files changed