Changed Tizen 2.4 gatt API

Changed Tizen 2.4 gatt API

int bt_gatt_server_notify(bt_gatt_h characteristic, bool need_confirm,
                 bt_gatt_server_notification_sent_cb callback, void *user_data);

Change-Id: I911475002d907efee06b0a6b40144047a49793d9
Signed-off-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/9243
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: jihwan seo <jihwan.seo@samsung.com>
Reviewed-by: Abhishek Sharma <ce.abhishek@samsung.com>
Reviewed-by: Jon A. Cruz <jon@joncruz.org>