31936 make windows/mac consistent with linux (cla: yes)

31938 Update scrimDrawerColor with proper const format (cla: yes, f: material design, framework)

31944 Performance issue template (cla: yes, team)

31947 Simplify drawer scrimColor defaults, update tests (cla: yes)

31954 Fix MediaQueryData.toString() to generate readable output (cla: yes)

31960 Fix bug handling cyclic diagnostics. (cla: yes)

31967 cherry-pick: fix edge swiping and dropping back at starting point (#31623) (cla: yes)

31978 Reland fix 25807 implement move for sliver multibox widget (cla: yes)