According to the 802.1x standard, the state-machine should go back to connecting state if a start packet is received while in authorized state

Change-Id: I07ef81eb73d2422cbb85b9c8dd9fcd4f48742e2e
diff --git a/src/main/java/org/onosproject/aaa/StateMachine.java b/src/main/java/org/onosproject/aaa/StateMachine.java
index 84f6924..946133d 100644
--- a/src/main/java/org/onosproject/aaa/StateMachine.java
+++ b/src/main/java/org/onosproject/aaa/StateMachine.java
@@ -83,7 +83,7 @@
        input
        ----------------------------------------------------------------------------------------------------
 
-       START                STARTED |   _               |   _               |   _           |   _
+       START                STARTED |   _               |   _               |   STARTED     |   _
 
        REQUEST_ACCESS       _       |   PENDING         |   _               |   _           |   _
 
@@ -101,7 +101,7 @@
     private int[] pendingTransition =
             {STATE_PENDING, STATE_PENDING, STATE_AUTHORIZED, STATE_UNAUTHORIZED, STATE_PENDING};
     private int[] authorizedTransition =
-            {STATE_AUTHORIZED, STATE_AUTHORIZED, STATE_AUTHORIZED, STATE_AUTHORIZED, STATE_IDLE};
+            {STATE_STARTED, STATE_AUTHORIZED, STATE_AUTHORIZED, STATE_AUTHORIZED, STATE_IDLE};
     private int[] unauthorizedTransition =
             {STATE_UNAUTHORIZED, STATE_UNAUTHORIZED, STATE_UNAUTHORIZED, STATE_UNAUTHORIZED, STATE_IDLE};
 
@@ -515,6 +515,10 @@
         private final Logger log = getLogger(getClass());
         private String name = "AUTHORIZED_STATE";
 
+        public void start() {
+            log.info("Moving from AUTHORIZED state to STARTED state.");
+        }
+
         public void logoff() {
 
             log.info("Moving from AUTHORIZED state to IDLE state.");
diff --git a/src/test/java/org/onosproject/aaa/StateMachineTest.java b/src/test/java/org/onosproject/aaa/StateMachineTest.java
index 1838c63..1c09f6e 100644
--- a/src/test/java/org/onosproject/aaa/StateMachineTest.java
+++ b/src/test/java/org/onosproject/aaa/StateMachineTest.java
@@ -175,10 +175,10 @@
         stateMachine.authorizeAccess();
 
         stateMachine.start();
-        Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
+        Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
 
         stateMachine.requestAccess();
-        Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
+        Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
 
         stateMachine.authorizeAccess();
         Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);