Update aodh config files permissions

The /etc/aodh/*.conf files are world readable.
This may lead to sensitive information leakage and cloud compromise.

Set aodh config files permissions to 0640.
Set aodh config files owner and group to root:aodh.

Change-Id: I98fedad7c8427bae2a613f7ded1ca7631525c624
1 file changed