[infra] Add analyzer NNBD macOS and Windows builders to the test matrix
[infra] Add analyzer NNBD macOS and Windows builders to the test matrix

https://github.com/dart-lang/sdk/issues/43463

Change-Id: Ibba0f6738714d2b2917613bcfc70f31c95527f1a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166423
Reviewed-by: Karl Klose <49bc0b76cffb0b10cd8c84f9cabc97a31ffe6343@google.com>

dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk