Update redis url for aodh

Change-Id: I4178d393b1b8cbc590905bfc58fcafb26c902866
Related-Prod: PROD-29126
(cherry picked from commit 72d7eec240dd6510353b4094c5a5bf884f4015dc)
diff --git a/aodh/server/coordination/redis.yml b/aodh/server/coordination/redis.yml
index e013e0f..7b353b7 100644
--- a/aodh/server/coordination/redis.yml
+++ b/aodh/server/coordination/redis.yml
@@ -1,7 +1,9 @@
 classes:
 - service.redis.server.single
 parameters:
+  _param:
+    aodh_coordination_url: redis://openstack:${_param:openstack_telemetry_redis_password}@${_param:redis_sentinel_node01_address}:26379?db=0&sentinel=master_1&sentinel_fallback=${_param:redis_sentinel_node02_address}:26379&sentinel_fallback=${_param:redis_sentinel_node03_address}:26379
   aodh:
     server:
       coordination_backend:
-        url:  redis://${_param:single_address}:6379/${_param:cluster_node01_address}
+        url: ${_param:aodh_coordination_url}