Make call detail history items unclickable

They never become selectable.

Bug: 5542478
Change-Id: I6fd2c2bdd458b3fe81f6d32343dc47ed9a2fd820
diff --git a/src/com/android/contacts/calllog/CallDetailHistoryAdapter.java b/src/com/android/contacts/calllog/CallDetailHistoryAdapter.java
index 22b85d7..7b6ae63 100644
--- a/src/com/android/contacts/calllog/CallDetailHistoryAdapter.java
+++ b/src/com/android/contacts/calllog/CallDetailHistoryAdapter.java
@@ -72,6 +72,12 @@
     }
 
     @Override
+    public boolean isEnabled(int position) {
+        // None of history will be clickable.
+        return false;
+    }
+
+    @Override
     public int getCount() {
         return mPhoneCallDetails.length + 1;
     }