[canvaskit] Try some things to reduce GPU test flakiness
1) some flags that "The Internet" says may help
2) retry running the test script up to 3 times.
I wasn't able to reproduce the crashes with a non-Docker
Chrome, only in the Docker container, which was
very hard to debug.
Change-Id: I87f31c32f63b2770d8d5afa6a8e4b90c35dbf0bb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255820
Reviewed-by: Eric Boren <borenet@google.com>
Reviewed-by: Leandro Lovisolo <lovisolo@google.com>
29 files changed
