Revert "converted AARectEffect to new FP system"

This reverts commit 222e275b0ab4c8a2af152c637bf9dbc28b4a097f.

Reason for revert: perf regression

Original change's description:
> converted AARectEffect to new FP system
> 
> Bug: skia:
> Change-Id: I0e4141c7f547bab92c65a6abff120ed04d5c2c66
> Reviewed-on: https://skia-review.googlesource.com/c/153550
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

TBR=bsalomon@google.com,ethannicholas@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: skia:
Change-Id: I3d7036a78d8582d6790c77b20a60e6e5257d1881
Reviewed-on: https://skia-review.googlesource.com/c/162283
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
31 files changed