Refactor security group rpc call

Refactor rpc call of 'security_group_rules_for_devices' into
'security_group_info_for_devices' to reduce the response
message size and server side processing time. Includes
agent-side auto detection of rpc version, and fall back
to the old one.

Change-Id: If19be8579ca734a899cdd673c919eee8165aaa0e
Implements: blueprint security-group-rules-for-devices-rpc-call-refactor
DocImpact
Co-Authored-By: Miguel Angel Ajo <mangelajo@redhat.com>
Merge "Refactor security group rpc call"