76354 Adopt Artifacts.test(localEngine:) in a few tests (cla: yes, team, tool, waiting for tree to go green)

76355 Remove mockito from windows_device_test (cla: yes, team, tool, waiting for tree to go green)

76358 Add mac_ios luci tests. (cla: yes, team)

76392 [Fonts] Make it possible to run update_icons in google3 (cla: yes, team)

76394 Reland “Roll Engine from 6993cb229b99 to c217d9d06e4f (60 revisions) (#76352)” (cla: yes, engine, team)