26386 Add Float32List support to StandardMessageCodec (platform-ios, platform-android, cla: yes, waiting for tree to go green, platform-macos)

26387 Roll Dart SDK from 3731dc83886c to 0b7d0953ce47 (1 revision) (cla: yes, waiting for tree to go green)

26391 Add back inexpensive framework tests (cla: yes, waiting for tree to go green)

26392 Roll Skia from db418ec6cd6f to 30fd35da015e (20 revisions) (cla: yes, waiting for tree to go green)

26393 Roll Dart SDK from 0b7d0953ce47 to 42d74caa7d26 (1 revision) (cla: yes, waiting for tree to go green)