Fix failure constant for upload status checks.
Fix failure constant for upload status checks.

The documentation previously indicated it was 'FAILED', but it's
actually 'FAILURE'.

sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata