82687 Update the scrollbar (severe: new feature, framework, f: scrolling, cla: yes, platform-web, waiting for tree to go green, a: desktop)

82712 [flutter_test/integration_test] added setSurfaceSize test coverage (a: tests, framework, cla: yes, will affect goldens, integration_test)

82727 State Restoration for Router (framework, cla: yes, waiting for tree to go green)

82753 Revert “Added axisOrientation property to Scrollbar” (framework, f: material design, cla: yes, f: cupertino)

82764 Fix scrollbar drag gestures for reversed scrollables (framework, f: scrolling, cla: yes, f: cupertino, a: quality, waiting for tree to go green)