Elm_icon modify

Elm_icon modify
add animation feature related with elm icon
Add new API
   EAPI Eina_Bool             elm_icon_anim_available_get(const Evas_Object *obj) EINA_ARG_NONNULL(1);
   EAPI void                  elm_icon_anim_set(Evas_Object *obj, Eina_Bool anim) EINA_ARG_NONNULL(1);
   EAPI Eina_Bool             elm_icon_anim_get(const Evas_Object *obj) EINA_ARG_NONNULL(1);
   EAPI void                  elm_icon_anim_play_set(Evas_Object *obj, Eina_Bool play) EINA_ARG_NONNULL(1);
   EAPI Eina_Bool             elm_icon_anim_play_get(const Evas_Object *obj) EINA_ARG_NONNULL(1);

Change-Id: Idb05d566dd874a5106836f8e1d5f4d125bd0539a