Fix unable to add allow all IPv4/6 security group rule

Previously, if one tried to add a rule to allow all ingress ipv4 neutron
would respond that the rule was already part of the security group.
This happened as the filter for querying existing rules uses a wildcard for
remote_group_id thus returning a false match. This patch addresses
this issue.

Change-Id: I0320013a3869d25fb424995354721929465d2848
Closes-bug: #1252806
(cherry picked from commit 9335ffd7c3eaad0d66d7d19e7760ae12476a5ea2)
Merge "Fix unable to add allow all IPv4/6 security group rule" into stable/grizzly