53368 Implement DropdownMenuItem.onTap (cla: yes, customer: money (g3), f: material design, framework, severe: new feature, waiting for tree to go green)

53377 Doc Improvements (cla: yes, d: api docs, d: examples, documentation, f: material design, f: scrolling, framework, waiting for tree to go green)

53379 [flutter_tools] don’t trim log messages from the web (cla: yes, tool)

53385 Uninstall app flag (cla: yes, team, team: flakes, tool)

53403 Roll engine b2bdeb3f0f16..67e66f7c8118 (4 commits) (cla: yes, waiting for tree to go green)