[infra] Enable retries for Windows compiles

They're flaky due to https://github.com/golang/go/issues/21376

Bug: skia:
Change-Id: Ic629c84b72c492b35d393328aa2178762ce3c7d8
Reviewed-on: https://skia-review.googlesource.com/123932
Reviewed-by: Ravi Mistry <rmistry@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
2 files changed