Update to the latest package:collection
Update to the latest package:collection

R=jakemac@google.com

Change-Id: I4b10be29a5c4ba0cd5f20a10c6023fac3398d6bf
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/235163
Auto-Submit: Nate Bosch <dc212c74d8afde9c690fdd09e74d3e5c5d5a3de0@google.com>
Reviewed-by: Devon Carew <e996497f4f2225f0ee7a9f4d1696ee710b488b66@google.com>
Commit-Queue: Devon Carew <e996497f4f2225f0ee7a9f4d1696ee710b488b66@google.com>

dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk