138924c1e8
Fixes https://github.com/flutter/flutter/issues/142861 TEST=N/A Change-Id: I208c597f33c622d19419202351dd17d39ec82bc3 CoreLibraryReviewExempt: only dart:io Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/419280 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Brian Quinlan <bquinlan@google.com>