65505 Creates a way to test private APIs in the Flutter package. (cla: yes, framework, team, waiting for tree to go green)

65508 fix an issue where raw json output is written to IDE clients (cla: yes, tool, waiting for tree to go green)

65509 Sort generated plugin file content by plugin name (cla: yes, tool, waiting for tree to go green)

65528 Reland “Nnbd widgets” (a: accessibility, cla: yes, f: cupertino, framework, waiting for tree to go green)

65530 Have the analyzer bot ignore .DS_Store files. (cla: yes, team, waiting for tree to go green)

65568 Remove unused ‘dart:async’ imports. (a: accessibility, a: internationalization, a: tests, cla: yes, f: cupertino, f: material design, framework, team, tool)