Update pathkit too. I want to make sure we are up to date with testing
harnesses that could support testing as ES6 modules.
Bug: skia:11077
Change-Id: I1ecd8acbdf6ad47a5877aa7dbb6772406d2edb54
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/343501
Reviewed-by: Kevin Lubick <kjlubick@google.com>
