79343 Check for outdated Podfile before running pod install (cla: yes, tool)

79346 Migrate event_printer and test_config to null safety (a: null-safety, cla: yes, team, tool, waiting for tree to go green)

79352 add missing trailing commas (a: accessibility, cla: yes, f: material design, framework, waiting for tree to go green)

79364 [Reland][Fonts] Update material icons  (cla: yes, f: material design, framework)

79379 [flutter_tools] do not make drive require pub if –no-pub is requested (cla: yes, tool, waiting for tree to go green)

79382 Apply carriedVelocity unless substantially different (cla: yes, framework, waiting for tree to go green)