e-wm: upgrade to 0.19.9

* announcements:
  https://phab.enlightenment.org/phame/live/3/post/e19_6_release/
  https://phab.enlightenment.org/phame/live/3/post/e19_7_release/
  https://phab.enlightenment.org/phame/live/3/post/e19_8_release/
  https://phab.enlightenment.org/phame/live/3/post/e19_9_release/



Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>