Fix for a CallServiceRepository bug.

Specifically where stale call services are passed back
to the switchboard for processing, including upon no
call-service-provider implementations.

Change-Id: I1a5c26f22031e31f9a94b239f06d34619769a56f
diff --git a/src/com/android/telecomm/ServiceBinder.java b/src/com/android/telecomm/ServiceBinder.java
index 1c797ca..9619239 100644
--- a/src/com/android/telecomm/ServiceBinder.java
+++ b/src/com/android/telecomm/ServiceBinder.java
@@ -163,7 +163,7 @@
         }
     }
 
-    ComponentName getComponentName() {
+    final ComponentName getComponentName() {
         return mComponentName;
     }