71174 AdoptAWidget: PageView (cla: yes, d: api docs, d: examples, documentation, framework)

71180 Revert “Implement dryLayout for RenderAnimatedSize” (cla: yes, framework)

71184 Update AppBar and AppBar Theme to new Theme conventions and latest Material spec (cla: yes, f: material design, framework)

71185 Reland “Implement dryLayout for RenderAnimatedSize” (cla: yes, framework, waiting for tree to go green)

71188 mark “smoke_catalina_hot_mode_dev_cycle_ios__benchmark” flaky (cla: yes, team)

71196 [flutter_tools]fix typo in printHowToConsumeAar,which case sync fail (cla: yes, tool, waiting for tree to go green)