28472 Add SHA256 checksums to published metadata (cla: yes, team)

28477 Fix backspace and clear length in AnsiStatus (cla: yes, tool)

28478 Support iOS devices reporting pressure data of 0 (cla: yes, f: cupertino, f: gestures, f: material design, ⚠ TODAY)

28480 increase timeout (a: tests, cla: yes, team, team: flakes)

28482 Fuschia -> Fuchsia (cla: yes, team)

28517 remove json_schema dep again (cla: yes)

28527 Be more strict about finding version number attached to a revision when packaging. (cla: yes, team)

28530 Fix type issue of the timelineEvents assignment (cla: yes)