61760 [flutter_tools] revert dart format changes (cla: yes, cp: 1.20, cp: 1.20 completed, tool, waiting for tree to go green)

61762 Inject iproxy into context (cla: yes, platform-ios, tool, waiting for tree to go green)

61766 [flutter_tools] Add plumbing for widget cache (cla: yes, tool)

61778 [Material] Updated icons and fonts (cla: yes, f: material design, framework, team, tool, waiting for tree to go green)

61881 [flutter_tools] Concise dart2js commands outputKernel & outputJavaScript (cla: yes, tool, waiting for tree to go green)

61882 Reland “Add support for Dart Development Service (DDS) in Flutter Tools (#61276)” (cla: yes, team, tool)