c9e3c3324c
This doesn't add a builder yet, but allows running tests locally on a Mac. Change-Id: I1e1d1158d7d443df5896a759a669db47b1eb420f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/426461 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Martin Kustermann <kustermann@google.com>