22874 re-enable pointer events inside platform views (cla: yes)

22877 Roll Skia from fdb8dbe69cc2 to bc3c41b8742a (3 revisions) (cla: yes, waiting for tree to go green)

22878 copy the glibc fix to felt (cla: yes)

22879 Roll Fuchsia Mac SDK from 1EKjnjmeP… to eEeK509UF… (cla: yes, waiting for tree to go green)

22880 Roll Fuchsia Linux SDK from M_8svVndh… to IuiLYXJbt… (cla: yes, waiting for tree to go green)