21847 [embedder] Platform View owns lifecycle of external view embedder (cla: yes)

21848 Roll Skia from 99446001182c to f4bda743ff8d (22 revisions) (cla: yes, waiting for tree to go green)

21850 [fuchsia] External view embedder will be shared with platform view (cla: yes, waiting for tree to go green)

21851 Revert “Explicitly make the X connection for EGL. (#21831)” (cla: yes)

21852 Auto detect mode to determine which rendering backend to use. (cla: yes, platform-web, waiting for tree to go green)

21854 Migrate TextInputPlugin API to TextRange (affects: text input, cla: yes, platform-linux, platform-windows)