74602 Reland: Handle more cases where the tool receives RPCError 112 (cla: yes, tool)

74622 [flutter_tools] Consistently set the working directory for Flutter Test (a: internationalization, cla: yes, f: cupertino, f: material design, team, tool, waiting for tree to go green)

74664 [flutter_tools] handle waitForExtension having no isolates (cla: yes, tool, waiting for tree to go green)

74665 Handle ‘Existing VM service clients’ error from old VM service instances (cla: yes, tool, waiting for tree to go green)

74671 Roll packages (a: tests, cla: yes, framework, team, tool, waiting for tree to go green)

74672 [flutter_tools] check if process manager can find adb (cla: yes, tool, waiting for tree to go green)