74744 [flutter_tools] catch errors when getting cwd (cla: yes, tool, waiting for tree to go green)

74747 fix title format tweaks (cla: yes, framework, waiting for tree to go green)

74755 no more mockito for fuchsia remote debug protocol (cla: yes, team, tool, waiting for tree to go green)

74758 Remove FocusTraversalGroups from the final sorted list of descendants. (cla: yes, framework)

74762 Null safe migration for fuchsia remote debug protocol (cla: yes, team, tool)

74763 Remove package image dependency (cla: yes, team, tool, waiting for tree to go green)

74764 [flutter_tools] handle further devtools NPE (cla: yes, tool)