git-codereview: skip TestSubmitInteractive on windows (fixes build)
git-codereview: skip TestSubmitInteractive on windows (fixes build)

Updates golang/go#13406

Change-Id: Iadc8586253e794947f5048676d317f55bd1d6b62
Reviewed-on: https://go-review.googlesource.com/18557
Reviewed-by: Austin Clements <7ea35d812706d9213868749011af1ed4fa2f6aa0@google.com>

golang/review