Add Retries to Canaries

Bug: skia:10563
Bug: skia:10639
Change-Id: I0b500e4996f8edc0328c1d63d50ac876c231734c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/313079
Commit-Queue: Ravi Mistry <rmistry@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
1 file changed