Fixes for canvaskit karma tests in google3

Change-Id: I4945f99016ed7424ed0fe8cca1f0006396a1ad44
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/317857
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Nathaniel Nifong <nifong@google.com>
2 files changed