25494 Roll Skia from 3295ea8d703c to 27d827820c0a (4 revisions) (cla: yes, waiting for tree to go green)

25495 [fuchsia] stop using SmoothPointerDataDispatcher (cla: yes, platform-fuchsia)

25496 Reland Dart plugin registrant (cla: yes, waiting for tree to go green)

25497 Fix bug when build_fuchsia_artifacts.py is called without –targets. (cla: yes, waiting for tree to go green, platform-fuchsia)

25498 Add Windows UWP CI builders (cla: yes)

25499 Roll Dart SDK from 23cdf0997052 to f79253a6b189 (2 revisions) (cla: yes, waiting for tree to go green)