Add APIs to send/receive edit done

Add APIs to send/receive edit done

int watchface_editor_edit_preview_with_result(const watchface_editable_h handle,
        int cur_data_idx, watchface_editor_edit_result_cb result_cb,
	int timeout, bool auto, void *user_data);

typedef void (*watchface_editor_edit_result_cb)(const watchface_editable_h handle,
        watchface_complication_error_e result, void *user_data);

int watchface_editable_edit_done(watchface_editable_h handle);
int watchface_editable_dup(const watchface_editable_h handle,
	watchface_editable_h *dup_handle);
int watchface_editable_destroy(watchface_editable_h handle);

Change-Id: I5be804d33b9f38c28dc6fb11002d794d8ba2ea65
Signed-off-by: hyunho <hhstark.kang@samsung.com>