add audit parameter to do_execute

The new bp need to get audit type from audit,
so we need to add an audit parameter to do_execute

Partially Implements: blueprint node-resource-consolidation

Change-Id: Ia979781b32202c1821aa1cb91d24253fe6d7bd2d

watcher/decision_engine/strategy/context/default.py

@@ -65,4 +65,4 @@ class DefaultStrategyContext(base.StrategyContext):
             name: value for name, value in audit.parameters.items()
         })
 
-        return selected_strategy.execute()
+        return selected_strategy.execute(audit=audit)