Improve handling of degenerate paths in AAHairLinePathRenderer::bloat_quad

Bug: 1265199
Change-Id: I217d75377c33940cdbabba278ee1ac06e94e177f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/469899
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
1 file changed