Added a timestamp node to EncodePostSyncArgs to use
additional timestamp information if required,
Modified event object to use the timestamp added in
EncodePostSyncArgs.
Related-To: NEO-13003
Signed-off-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@intel.com>
Signed-off-by: Young Jin Yoon <young.jin.yoon@intel.com>