68207 Revert “Improve performance of collectAllElements” (a: tests, cla: yes, framework, team)

68212 Revert “revert engine to 11d756a62ed0ddf87a9ce20b219b55300ec6b67d” (cla: yes, engine)

68214 reland List queue search optimization (a: tests, cla: yes, framework, team)

68218 [devicelab] track any leaked processes (cla: yes, team)

68222 Revert “[flutter_tools] ensure android log reader works in flutter drive” (cla: yes, tool)

68227 Selecting spaces (cla: yes, f: cupertino, f: material design, framework)