99f60a5e66
This adds support for the experimental 'records' feature in the sdk by settings its experimental release version to 2.19 and opting the sdk into the feature the allowed_experiments. Change-Id: I7a30212e5724e5d8ae3208f177103764b9aed737 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/262760 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Leaf Petersen <leafp@google.com>