Reland "Prefer GrAAConvexPathRenderer over ccpr"

This is a reland of c00e47054744c4b6733a129b9cfc372d2085899e

Original change's description:
> Prefer GrAAConvexPathRenderer over ccpr
> 
> Even though ccpr can be faster than the convex renderer for small
> paths, there is value in a simpler, more consistent approach. The
> convex renderer is single-pass, doesn't deal with caching, and is
> unaffected by the less favorable flush pattern in Chrome. We can
> address the regressions from this CL by optimizing single-pass convex
> path rendering, rather than trying to use ccpr more.
> 
> Bug: chromium:860021
> Change-Id: I44ceefa43cdad7fb25c620faed8b525901fb1f0c
> Reviewed-on: https://skia-review.googlesource.com/c/171525
> Reviewed-by: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Chris Dalton <csmartdalton@google.com>

Bug: chromium:860021
Change-Id: I37c2244f8a054614389cc35854706cbebf5d2e7c
Reviewed-on: https://skia-review.googlesource.com/c/173199
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
1 file changed