54fe29e965
Attempt at fixing https://github.com/dart-lang/sdk/issues/39740 to allow the flutter web engine to use @JS interop to avoid the overhead of the SDK available js interop. Bug: 39740 Change-Id: I7ba9c8981e639cd267bee3086ba900b89bfc0d6f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150501 Reviewed-by: Stephen Adams <sra@google.com> Commit-Queue: Harry Terkelsen <het@google.com>