Add tr to filter for trove logs
Add tr to filter for trove logs

For files: screen-tr-api.txt.gz, screen-tr-cond.txt.gz, screen-tr-tmgr.txt.gz

Change-Id: I5020fe2fce498f4b66abf2a3ace64302108a8975

openstack-infra/os-loganalyze,openstack-infra/os-loganalyze,openstack-infra/os-loganalyze