496a2bdc9b
TEST=ci Change-Id: I38e9ad7b16ffb0a9d380c3ed23b17854dca5a32f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/447440 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
This directory was taken from a snapshot of flutter/engine/src/build/.
The snapshot was taken with a recursive copy cp -R of the directory from
the flutter repository.
The contents has now diverged significantly from Flutter, and is maintained independently by the Dart team. It is used to support the GN build system.