82926 [web] Make web integration tests shadow DOM aware. (a: tests, team, framework, cla: yes, d: examples, waiting for tree to go green)

82934 [flutter] use engine provided frame number (framework, cla: yes, waiting for tree to go green)

82939 FlutterDriver: deprecate enableAccessibility; redirect it to setSemantics; add setSemantics tests (a: tests, team, framework, cla: yes, d: examples)

82963 Update rendering smoke tests to assert a frame has been scheduled (team, framework, cla: yes, d: examples, waiting for tree to go green)

82986 Re-add the removed MediaQuery.removePadding of PopupMenuButton (framework, f: material design, cla: yes, waiting for tree to go green)