Fixed a bug in ObjectProxy.NoteLatest.
Fixed a bug in ObjectProxy.NoteLatest.

GoogleCloudPlatform/gcsfuse,jacobsa/ratelimit,BanzaiMan/gcsfuse,GoogleCloudPlatform/gcsfuse,BanzaiMan/gcsfuse,jacobsa/timeutil,mbrukman/gcsfuse,kahing/gcsfuse,GoogleCloudPlatform/gcsfuse