67572 Revert “[flutter_tools] remove all pub caching logic” (cla: yes, tool)

67574 Implement documented behavior of WidgetsApp.builder (cla: yes, f: material design, framework, waiting for tree to go green)

67576 Respect –enable-software-rendering flag on iOS simulators (cla: yes, tool, waiting for tree to go green)

67578 Re-land ‘Wrap PopupMenu with SafeArea to respect status bar’ (cla: yes, f: material design, framework, waiting for tree to go green)

67581 [flutter tools] Add a DelegatingLogger class (cla: yes, tool)

67585 Add documentation talking about ScrollPhysics.applyTo(null) (cla: yes, d: api docs, documentation, framework, waiting for tree to go green)