0bdd0b4fad
Improve the performance by loading resources in parallel if possible. Change-Id: Ibf93b7aa7510a110740399eef825f3c140c6dfd5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/184203 Auto-Submit: Gary Roumanis <grouma@google.com> Commit-Queue: Gary Roumanis <grouma@google.com> Commit-Queue: Anna Gringauze <annagrin@google.com> Reviewed-by: Anna Gringauze <annagrin@google.com>