Index the os-collect-config logs in tripleo jobs

Add the os-collect-config logs to logstash to be indexed. Depends on
another commit in tripleo-ci to remove the random string from the log
name Ie84492ab981b06421d486579fc269ef6b3ad1815.

Change-Id: I2fe3aa4ec3c469d59a6dee8dd54f08d0bbf7b792
Merge "Index the os-collect-config logs in tripleo jobs"