54220 [benchmarks] Handle multiple begin/end trace events (a: tests, cla: yes, framework)

54227 [windows] Adds support for keyboard mapping. (a: tests, cla: yes, framework, team, waiting for tree to go green)

54322 Skip Audit - Material Library (a: quality, a: tests, cla: yes, f: material design, framework, platform-web, team, waiting for tree to go green)

54480 Revert “[flutter_driver] Add SceneDisplayLag stats to timeline summar… (a: tests, cla: yes, framework, team)

54490 [flutter_driver] Reland add SceneDisplayLag stats to timeline summary (a: tests, cla: yes, framework, team, waiting for tree to go green)