wayland_window: codestyle

Conflicts:
	hybris/egl/platforms/wayland/wayland_window.cpp
wayland_window: cleanups

Signed-off-by: Adrian Negreanu <groleo@gmail.com>

Conflicts:
	hybris/egl/platforms/wayland/wayland_window.cpp
Wait for fence to be signalled and close

Signed-off-by: Carsten Munk <carsten.munk@gmail.com>