tree 549f2c03e0239484fc0cb286ad84149185c986b3
parent 544c8c5638216e4b509c9c6c26c74f0cb6b32f0a
author Zach Anderson <zra@google.com> 1553615859 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1553615859 +0000

[dart] Fix pubspec sdk constraints

The below packages use collection literals, so their
Dart SDK constraint has to be bumped up to 2.2 to
make the analyzer happy.

Change-Id: Ic7446ec86edb78b534583b1d5f865b41b4bcd4a3