740af3c009
Also add a help option to print the help text it already has. Change-Id: Ifb5036ace762053b52ab7a5170da1bdb37b44ab7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126302 Auto-Submit: Nicholas Shahan <nshahan@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>