DefaultTrafficTreatment: Build all-instructions list at creation time
so that we don't have to join the two lists each time we want to see all instructions

Change-Id: I7f1ad252776abcb6768372eeaabfa661bdded36c
diff --git a/core/net/src/test/java/org/onosproject/net/flow/impl/FlowRuleManagerTest.java b/core/net/src/test/java/org/onosproject/net/flow/impl/FlowRuleManagerTest.java
index 6669578..7ead516 100644
--- a/core/net/src/test/java/org/onosproject/net/flow/impl/FlowRuleManagerTest.java
+++ b/core/net/src/test/java/org/onosproject/net/flow/impl/FlowRuleManagerTest.java
@@ -577,8 +577,8 @@
         }
 
         @Override
-        public Boolean clearedDeferred() {
-            return null;
+        public boolean clearedDeferred() {
+            return false;
         }
 
         @Override