Flip the test configurations in the Dart VM build bots to test strong null safety mode in all the configurations

[a-siva]

Please see go/dart-vm-sound-null-safety for details on the test configurations switch.

[a-siva]

//cc @athomas

[itsjustkevin]

@athomas and @a-siva has this work been completed? Is there anything we need to unblock this?

[athomas]

This work is ongoing but not blocked on anything right now.

…

On Wed, 4 Jan 2023, 16:46 Kevin Chisholm, ***@***.***> wrote: @athomas <https://github.com/athomas> and @a-siva <https://github.com/a-siva> has this work been completed? Is there anything we need to unblock this? — Reply to this email directly, view it on GitHub <#50091 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AEYRJB3CYRQI5HOXGVLZ4YTWQWLM5ANCNFSM6AAAAAAQZIMIEQ> . You are receiving this because you were mentioned.Message ID: ***@***.***>

[a-siva]

@rmacnak-google has submitted a number of CLs that have moved all the existing legacy bots to run tests in sound null safety mode, closing issue.