handle conics in 1D patheffect

Bug: skia::7507
Change-Id: Iab68d17c0950ffa2e5d5c20754b3f524f4b75a71
Reviewed-on: https://skia-review.googlesource.com/101442
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed