24726 Roll Fuchsia Linux SDK from 50gZrG82q… to tJbtmEE4Q… (cla: yes, waiting for tree to go green)

24727 Guard metal rendering behind SHELL_ENABLE_METAL (cla: yes, waiting for tree to go green)

24728 Roll Skia from e32ace76ec8d to 0676317b1f7f (1 revision) (cla: yes, waiting for tree to go green)

24729 Roll Skia from 0676317b1f7f to 232b4ce8886b (1 revision) (cla: yes, waiting for tree to go green)