67757 delete fast start unit test (cla: yes, team)

67763 Revert “delete fast start unit test” (cla: yes, team)

67765 Revert “Revert “delete fast start unit test”” (cla: yes, team)

67766 [flutter_tools] remove train and inject-plugins command (cla: yes, team, tool)

67780 add links missed in the first pr (cla: yes, team)

67788 make the new e2e tests blocker (cla: yes, team)

67900 Expose date symbols and patterns for en_US in framework (a: internationalization, cla: yes, f: material design, framework, team)

67939 Remove unused Gold methods (cla: yes, framework, team, waiting for tree to go green)