This gives us more flexibility for how we want to publish and deploy
the tool. We now have the option, for example, of making a command
line app that invokes the tool and does not depend on analysis_server.
Note that some testing infrastructure had to be duplicated. I plan to
consolidate this infrastructure in follow-up CLs.
Change-Id: I046506bc2bb5c3e467e15885f198ee0632351ee9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/105463
Commit-Queue: Paul Berry <paulberry@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
