Yet another way to transform a layer, disguised as a distort effect.
TBR=
Change-Id: Ic2d5479fa6ae27b460de60875924f73f77fc7f71
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221001
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
