Add comment about ignoring large data ids

Bug: 16191530
Change-Id: Icee092e6d0c37212a4b36b3e7be5246a98e82bb8
diff --git a/src/com/android/contacts/quickcontact/QuickContactActivity.java b/src/com/android/contacts/quickcontact/QuickContactActivity.java
index 8b4e124..172eb0d 100644
--- a/src/com/android/contacts/quickcontact/QuickContactActivity.java
+++ b/src/com/android/contacts/quickcontact/QuickContactActivity.java
@@ -1310,6 +1310,7 @@
             return null;
         }
 
+        // Ignore dataIds from the Me profile.
         final int dataId = dataItem.getId() > Integer.MAX_VALUE ?
                 -1 : (int) dataItem.getId();