Other than
- the change to enable the lint (in analysis_options.yaml) and
- updates to the generator (in tool) to stop generating 'new',
all of the changes were generated by dartfix.
Change-Id: I9d14b99ab748ef5b80f8800a802e20100eee04a1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128577
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>