22811 Add static text trait to plain semantics object with label in iOS (cla: yes, platform-ios, waiting for tree to go green)

22817 Roll Fuchsia Linux SDK from Bnaeivv07… to W14Qninrb… (cla: yes, waiting for tree to go green)

22819 More rename from GPU thread to raster thread (cla: yes, platform-android, platform-ios, waiting for tree to go green)

22820 Roll Fuchsia Mac SDK from 7O11wjLVX… to Z_-ciOYM9… (cla: yes, waiting for tree to go green)

22827 Roll Dart SDK from 5acaa5f14b03 to cfaa7606cbf5 (2 revisions) (cla: yes, waiting for tree to go green)