Support in cord-tester for aaa-proxy using sadis app.
And various other changes that moves support for aaa to ONOS 1.10.3 and upwards.

Change-Id: Id911812caf2e1c1bd78107e57175d190241812ff
diff --git a/src/test/subscriber/subscriberTest.py b/src/test/subscriber/subscriberTest.py
index 438791a..6850468 100644
--- a/src/test/subscriber/subscriberTest.py
+++ b/src/test/subscriber/subscriberTest.py
@@ -288,11 +288,7 @@
       def onos_aaa_load(self):
             if self.aaa_loaded:
                   return
-            aaa_dict = {'apps' : { 'org.opencord.aaa' : { 'AAA' : { 'radiusSecret': 'radius_password',
-                                                                    'radiusIp': '172.17.0.2' } } } }
-            radius_ip = os.getenv('ONOS_AAA_IP') or '172.17.0.2'
-            aaa_dict['apps']['org.opencord.aaa']['AAA']['radiusIp'] = radius_ip
-            self.onos_load_config('org.opencord.aaa', aaa_dict)
+            OnosCtrl.aaa_load_config()
             self.aaa_loaded = True
 
       def onos_dhcp_table_load(self, config = None):