tpl: Add tpl_surface_get_rotation() / tpl_surface_set_rotation_capability() apis

tpl: Add tpl_surface_get_rotation() / tpl_surface_set_rotation_capability() apis
tpl_wayland_egl: implement getting of tpl_surface angle.
                 implement getting of tpl_surface's capabilities
wayland-egl: Add wl_egl_window_set_rotation() / wl_egl_window_get_capabilities()

   - tpl_surface_get_rotation() api used for getting the current rotation-angle of the given TPL surface.
     tpl_surface's angle can be in 0, 90, 180, 270.
   - wl_egl_window_set_rotation api used fo setting the current egl_window's angle.
   - wl_egl_window_get_capabilities api used for getting capabilities of egl_window.

Change-Id: If051e890c040aff40097f88d26276b3b0b2bf4fd
Signed-off-by: Mun, Gwan-gyeong <kk.moon@samsung.com>