d7b522508e
Also conditionally check out the `characters` package, needed by Flute. Change-Id: I71f42005bf78e7681500cca638147f8c978300ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/327620 Auto-Submit: Aske Simon Christensen <askesc@google.com> Reviewed-by: Alexander Thomas <athom@google.com> Commit-Queue: Aske Simon Christensen <askesc@google.com>