66687 Teach the flutter tool how to find android output files if the flavor contains uppercase letters (cla: yes, tool, waiting for tree to go green)

66691 [flutter_tools] dont mention git clone of flutter in run message (cla: yes, tool)

66696 [flutter_tools] flutter logs no longer requires supported device (cla: yes, tool, waiting for tree to go green)

66701 [flutter_tools] pretty print hot reload rejection error (cla: yes, tool)

66704 [flutter_tools] pass existsSync through error handling io (cla: yes, tool)

66705 [flutter_tools] do not crash if chrome preference save fails (cla: yes, tool)

66708 [flutter_tools] handle case where file is deleted by other program or running on read only volume (cla: yes, tool)