22322 [null-safety] increase sky engine min sdk (cla: yes)

22323 Add initial settings message to Windows embedding (affects: desktop, cla: yes, platform-windows)

22324 Roll Skia from 694ff1735711 to 71624de2c5d9 (12 revisions) (cla: yes, waiting for tree to go green)

22326 Ignore several import_of_legacy_library_into_null_safe (cla: yes)

22328 [web] Improve dom canvas speed. Fix density calculation regression in recomputeTransformClip (cla: yes)

22330 Roll Fuchsia Mac SDK from NimIr5BT-… to XV9_JbDD-… (cla: yes, waiting for tree to go green)