Check for legit bounds in SkTriangulateSimplePolygon

Bug: skia:8467, oss-fuzz:10929
Change-Id: I6336e00004322960319e3076677029d3b17c78e3
Reviewed-on: https://skia-review.googlesource.com/c/162028
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
1 file changed