75604 Reland #74722 (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

75670 CupertinoPageTransition Optimizations (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

76278 Remove a14n todos (cla: yes, f: cupertino, framework)

76327 Keep the selection after ‘Copy’ pressed on iOS. (cla: yes, f: cupertino, framework, waiting for tree to go green)

76339 Add fix for BottomNavigationBarItem.title -> label (cla: yes, f: cupertino, f: material design, framework, team, waiting for tree to go green)