22847 Roll Skia from d39aec0e40ec to 38921cafe1bb (7 revisions) (cla: yes, waiting for tree to go green)

22851 Roll Skia from 38921cafe1bb to abcc1ecdfd0c (8 revisions) (cla: yes, waiting for tree to go green)

22853 Handle null platform plugin delegate for v1 embedding (cla: yes, platform-android, waiting for tree to go green)

22854 [embedder] [metal] Add support for Metal Renderer Config in the embedder API (cla: yes, waiting for tree to go green)

22855 Roll Skia from abcc1ecdfd0c to c0c5106bd4d4 (3 revisions) (cla: yes, waiting for tree to go green)