52500 add usbmuxd (cla: yes, tool, waiting for tree to go green)

52501 Correct broken curves asset links (cla: yes, framework)

52505 [flutter_tools] remove globals in AndroidDevices (cla: yes, tool)

52506 Roll engine 1aaf1698826c..c30fd2daa8c3 (2 commits) (cla: yes, waiting for tree to go green)

52508 Roll engine c30fd2daa8c3..c28d23068fc3 (1 commits) (cla: yes, waiting for tree to go green)

52511 [flutter_tools] support toggling CanvasKit rendering on with ‘k’ (cla: yes, tool)