30244 [fuchsia] Use network-legacy-deprecated pkg in embedder test (waiting for tree to go green, platform-fuchsia, needs tests)

30245 Roll Skia from ca916f705fc5 to c95c53ed0fcf (2 revisions) (waiting for tree to go green)

30248 Roll Skia from c95c53ed0fcf to 44c81d149273 (2 revisions) (waiting for tree to go green)

30249 Roll Fuchsia Mac SDK from EcjcLVqar… to 9asn8qJFp… (waiting for tree to go green)

30251 Roll Dart SDK from 2ace65b1b408 to 2091ff49c513 (8 revisions) (waiting for tree to go green)