Add a tiny TODO comment about duplicated code.

Change-Id: I0a1a28a1f83ff0845ca4b4fdf176c8918d6d35a5
diff --git a/src/com/android/contacts/SpecialCharSequenceMgr.java b/src/com/android/contacts/SpecialCharSequenceMgr.java
index 644b66f..140e7d4 100644
--- a/src/com/android/contacts/SpecialCharSequenceMgr.java
+++ b/src/com/android/contacts/SpecialCharSequenceMgr.java
@@ -41,6 +41,10 @@
 /**
  * Helper class to listen for some magic character sequences
  * that are handled specially by the dialer.
+ *
+ * TODO: there's lots of duplicated code between this class and the
+ * corresponding class under apps/Phone.  Let's figure out a way to
+ * unify these two classes (in the framework? in a common shared library?)
  */
 public class SpecialCharSequenceMgr {
     private static final String TAG = "SpecialCharSequenceMgr";