Simplify isconvex

Trying to make its results scale-independent. Otherwise we can propagate
convexity in path.transform() but (if measured) actually have a
different result.


Bug: skia:11227
Change-Id: I874597a58c8c4d670e9d4a357a6a92b60a164291
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360597
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed