fix pathop fuzz timeout

R=caryclark@google.com

Bug:855751
Change-Id: Ieb6bae50311f62c9b03b84b2cf84f09ad2db2e46
Reviewed-on: https://skia-review.googlesource.com/137361
Reviewed-by: Cary Clark <caryclark@skia.org>
Commit-Queue: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
4 files changed