49717 Roll engine 9c9e5d05ec91..020222ddd021 (1 commits) (autoroller: commit, cla: yes)

49724 Move iMobileDevice to globals (cla: yes, team, tool)

49726 Use DiagnosticableMixin instead of Diagnosticable for some conditionals. (a: accessibility, cla: yes, f: cupertino, f: material design, framework)

49729 Roll engine 020222ddd021..4a55b4fd2500 (2 commits) (autoroller: commit, cla: yes)

49735 [flutter_tools] iOS fallback discovery protocol (cla: yes, tool, waiting for tree to go green)