54994 flutter_gallery__memory_nav and flutter_gallery__back_button_memory are flaky (cla: yes, team)

54997 Roll engine e6a2534b63ac..f4d6ce13dcc4 (32 commits) (cla: yes, severe: API break, waiting for tree to go green, will affect goldens)

55001 FlutterErrorDetails.context docs fix (a: error message, a: tests, cla: yes, d: api docs, d: examples, documentation, framework, waiting for tree to go green)

55002 Move GitHubTemplateCreator into reporting library (cla: yes, team, tool)

55003 Add flag to enable expression evaluation for web (cla: yes, tool)

55012 Even more vm service refactor (cla: yes, tool)