Make sure onDisconnect also notifies single-call listener.

onDisconnect was not notifying listeners interested in a single call.
In this case, it wasn't notifying the answer presenter.

bug: 10678095
Change-Id: I81a7205eb886e136184c5754b0caebd68ac86031
diff --git a/InCallUI/src/com/android/incallui/CallList.java b/InCallUI/src/com/android/incallui/CallList.java
index 25113e8..42f4eb9 100644
--- a/InCallUI/src/com/android/incallui/CallList.java
+++ b/InCallUI/src/com/android/incallui/CallList.java
@@ -85,6 +85,7 @@
 
         updateCallInMap(call);
 
+        notifyCallUpdateListeners(call);
         notifyListenersOfChange();
     }