b52575161d
TEST=msan Bug: b/489355669 Change-Id: I3ade526a67e5e7d95c8d8862eb92924337057d94 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/485240 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Slava Egorov <vegorov@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.