17532 Fixed nullability in plugin header and overridden type mismatch error. (cla: yes)

17533 [web] using pkill to quit safari (cla: yes)

17534 Do not enable antialiasing by default in CanvasKit mode (cla: yes)

17535 Added missing declaration (only showed up in g3 builds). (cla: yes)

17536 Added errors to match g3 builds and simple errors (cla: yes)

17537 Revert “[tools][fuchsia] Do not tar debug symbol CIPD uploads (#17506)” (cla: yes)

17541 always forward move event (cla: yes, waiting for tree to go green)

17544 [web] fix clipboard.getData (cla: yes)