Decrease w epsilon to avoid incorrect bounds calculations

Bug: skia:12335
Change-Id: I0106c30d875a7a88431a6e068a82d2d987fc62b9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/438738
Commit-Queue: Florin Malita <fmalita@google.com>
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
2 files changed