22915 Roll Skia from 529b25929c85 to f639a24c5041 (1 revision) (cla: yes, waiting for tree to go green)

22916 Move the WindowInsetsAnimation.Callback implementation to an inner class to avoid Android class loader warnings (cla: yes, platform-android, waiting for tree to go green)

22917 Stop potential lockup due to GHashTable being modified when cleared. (cla: yes)

22918 Roll Skia from f639a24c5041 to 554e7574e960 (1 revision) (cla: yes, waiting for tree to go green)

22919 Roll Fuchsia Mac SDK from y_h5kQEmN… to 8cOXjqyWN… (cla: yes, waiting for tree to go green)