68245 Revert noninteractive lldb debugging, timeout warning (cla: yes, platform-ios, tool)

68251 Roll Engine from b22809b08434 to 4494a8374249 (6 revisions) (cla: yes, waiting for tree to go green)

68257 Roll Engine from 4494a8374249 to 21caa92309f4 (3 revisions) (cla: yes, waiting for tree to go green)

68260 [flutter_tools] configure screenshot on failure for all tasks (cla: yes, team)

68261 Fix screenshotting code (cla: yes, team)