faeaff4562
Removed 'sound null safety' flags from kernel service as VM no longer supports unsound mode. Also cleaned up unused 'original working directory' from messages sent from the VM to kernel service. TEST=ci Change-Id: Idca5fc3276ea182d08ba8969aa494a8ad6b96b70 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/363141 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>