25657 Library and Class ctor from the next dart roll requires fileUri (cla: yes, waiting for tree to go green)

25659 Include paragraph height in the top-level text style. (cla: yes, platform-web)

25660 Roll Skia from 8ced56f05f2c to 9d11cbdef854 (1 revision) (cla: yes, waiting for tree to go green)

25661 Provide a stub platform view embedder for tester to avoid emitting errors (cla: yes, waiting for tree to go green)

25663 Revert “[fuchsia] Use scenic allocator service (#25385)” (#25655) (cla: yes, platform-fuchsia)