Fix remote logging template
Fix remote logging template

Since the intent of the role is to stream only specified logs
updated the filter to match local7 facility which the role is setting
for the application logs with "$InputFileFacility local7" in
99-rsyslog.conf.j2 template.

Change-Id: I531652300440d12cb98ada9c6eac44e9d4ab731f

openstack/openstack-ansible-rsyslog_client,openstack/openstack-ansible-rsyslog_client