69445 Standardize dartdoc macro names (a: accessibility, a: internationalization, a: tests, cla: yes, f: cupertino, f: material design, framework, team, waiting for tree to go green)

69447 [devicelab] reboot attached devices after 30 test runs (cla: yes, team)

69451 Fix spelling errors (a: tests, cla: yes, f: cupertino, f: material design, framework, team)

69549 [flutter_tool] initialize flutter root in executable (cla: yes, team, tool)

69591 Remove the flaky flag from post-bdf benchmark (cla: yes, team, waiting for tree to go green)

69617 Remove references to Window, and switch usages to PlatformDispatcher or SingletonFlutterWindow (a: accessibility, a: tests, cla: yes, f: material design, framework, team, tool)