tree 262986f862463cb7cb03d7f76f7866b6fc436dc6
parent ea55edd4fd3fa0e43f4ab6abc761290f7764d1ae
author srawlins <srawlins@google.com> 1606151539 +0000
committer Kevin Moore <kevmoo@google.com> 1611175786 +0000

Remove unused dart:async imports.

As of Dart 2.1, Future/Stream have been exported from dart:core.

More information: go/dart-lsc-remove-unused-async-imports

PiperOrigin-RevId: 343863452