Allowed Address pair MAC should not be defaulted to interface MAC

Currently, if the allowed address field in json request doesn't not contain MAC
or set to NULL, it is defaulted to port mac address.

Idea is to skip resetting in config and handle the case where MAC is missing in
vrouter-agent.

Change-Id: I38ee7bab486fa720640bf3678fdfda4603a90f73
Closes-bug: #1549339
(cherry picked from commit 643e770)

src/config/api-server/vnc_cfg_types.py

@@ -554,12 +554,6 @@ def pre_dbe_create(cls, tenant_name, obj_dict, db_conn):
         mac_addrs_dict = json.loads(mac_addrs_json)
         obj_dict['virtual_machine_interface_mac_addresses'] = mac_addrs_dict
 
-        aap_config = obj_dict.get(
-            'virtual_machine_interface_allowed_address_pairs', {})
-        for aap in aap_config.get('allowed_address_pair', []):
-            if not aap.get('mac', None):
-                aap['mac'] = mac_addrs_dict['mac_address'][0]
-
         if 'virtual_machine_interface_bindings' in obj_dict:
             bindings = obj_dict['virtual_machine_interface_bindings']
             kvps = bindings['key_value_pair']
@@ -643,13 +637,6 @@ def pre_dbe_update(cls, id, fq_name, obj_dict, db_conn,
                     msg = "VMI ref delete not allowed during update"
                     return (False, (409, msg))
 
-        aap_config = obj_dict.get(
-            'virtual_machine_interface_allowed_address_pairs', {})
-        for aap in aap_config.get('allowed_address_pair', []):
-            if not aap.get('mac', None):
-                aap['mac'] = read_result[
-                    'virtual_machine_interface_mac_addresses']['mac_address'][0]
-
         bindings = read_result.get('virtual_machine_interface_bindings', {})
         kvps = bindings.get('key_value_pair', [])
         kvp_dict = cls._kvp_to_dict(kvps)