Enable haproxy_connect_any port access

Enable a boolean to allow haproxy to proxy any port. If not set,
SELinux, in enforcing mode, denies haproxy access and haproxy will
fail to start.

Closes-Bug: 1339938
Change-Id: Ic7980285d2aa678315d73295226508fcf2de40f8
Merge "Enable haproxy_connect_any port access"