5999b6bad5
This is a reland of 65a377b967
Original change's description:
> [analyzer] Remove deprecated language version API
>
> Change-Id: I10122c8860b7b4c7dfcea1d6f8829ad6be439e7e
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/141300
> Commit-Queue: Mike Fairhurst <mfairhurst@google.com>
> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Change-Id: I1c5180fcc40b14b4bcc209e0b6b9bc053814047d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/141720
Commit-Queue: Mike Fairhurst <mfairhurst@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Sigurd Meldgaard <sigurdm@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>