57690 [flutter_tools] hide all development tools (cla: yes, tool, waiting for tree to go green)

57696 Functionality to check handlers set on platform channels (a: tests, cla: yes, framework, waiting for tree to go green)

57701 Allow FLUTTER_APPLICATION_PATH to be null for misconfigured Xcode projects (cla: yes, t: xcode, tool, waiting for tree to go green)

57703 [flutter_tools] ensure emulator command does not crash with missing avdmanager (cla: yes, tool, waiting for tree to go green)

57704 Use pub inside the Flutter directory (cla: yes, team, waiting for tree to go green)

57733 #57730 - Support custom shapes for ListTiles (cla: yes, f: material design, framework, waiting for tree to go green)