flush to zero tiny radii

No-Tree-Checks: true
No-Try: true
No-Presubmit: true
Bug: 850350
Change-Id: If1f8efdb02782d520195a6b66bd159628c89f811
Reviewed-On: https://skia-review.googlesource.com/137220
Reviewed-By: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-on: https://skia-review.googlesource.com/141826
Reviewed-by: Mike Reed <reed@google.com>
2 files changed