Compress the dart-sdk directory under the root, not the grandparent of
the root which will be the SDK checkout.
Also fix so dart2 version is 2.9 compatible and dart version is
latest version compatible.
Change-Id: I6e8875d9a3c9fdabf301db379340b2d8473a54cc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210440
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
startup time
Change-Id: If0c792036ac377aa3d777f95816e9d1d548326b1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/201167
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>