Change log for Flutter 1.7.8

Tools

SDK

Release notes

1.7.8 change log

PRs closed in this release of flutter/flutter

PRs closed in this release of flutter/engine

PRs closed in this release of flutter/plugins

PRs closed in this release of flutter/flutter

From Wed May 1 16:56:00 2019 -0700 to Thu Jul 18 08:04:00 2019 -0700

28808  updated tearDownAll function (cla: yes, t: flutter driver, team, tool, waiting for tree to go green)

28834 Sliver animated list (cla: yes, framework, waiting for tree to go green)