58820 Timeline summary contains CPU, GPU and Memory usage (a: tests, cla: yes, framework, severe: performance, waiting for tree to go green)

58823 Add comments to flutter_driver for timeline class (a: tests, cla: yes, framework)

58826 Roll Engine from e87a05fbba78 to dbb57f1874fd (6 revisions) (cla: yes, waiting for tree to go green)

58829 Step 3 of 3: Remove opt-in for useMaterialBorderRadius on Dialogs (a: fidelity, a: quality, cla: yes, f: material design, framework, waiting for tree to go green)

58830 [flutter_tools] disable dartdev when calling snapshots directly (cla: yes, tool, waiting for tree to go green)