82066 Fix reuseApplication when ws URI does not end with / (tool, cla: yes, waiting for tree to go green)

82069 Reland GC tracking benchmarks (a: tests, team, tool, framework, cla: yes)

82084 Enable unnecessary_null_checks lint (a: tests, team, tool, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

82195 [flutter_tools] remove mocks from ios_device, project, flutter_command test (tool, cla: yes, waiting for tree to go green)

82227 Add ‘v’ hotkey to open DevTools in the browser (team, tool, cla: yes)

82238 use throwsA matcher instead of try-catch-fail (a: tests, team, tool, framework, cla: yes, waiting for tree to go green)