18934 SkMatrix::MakeFoo is deprecated, use SkMatrix::Foo instead (cla: yes)

18935 Roll Skia from 45f36b5b5547 to 64688229fd4b (8 revisions) (cla: yes, waiting for tree to go green)

18936 Fix CanvasKit text colors by not passing a Malloc’ed array. (cla: yes)

18937 Roll Fuchsia Mac SDK from FYAm7… to P46X2… (cla: yes, waiting for tree to go green)

18938 Move Surface and friends to flow/ (cla: yes, platform-android, platform-ios, waiting for tree to go green)

18939 Firefox gives an error if the directory is not empty (cla: yes)

18940 Make Linux shell plugin constructor descriptions consistent (cla: yes)