[pathkit] Increase test timeouts (for asmjs mostly)

Bug: skia:
Change-Id: Ia84b2eda24b43b858c3f95d860c3f9b6a880bc90
Reviewed-on: https://skia-review.googlesource.com/c/181401
Reviewed-by: Kevin Lubick <kjlubick@google.com>
6 files changed