resolve same recipient being added when double click email address.

Bug: 123269281
Test: Email compose activity, add a email address which had saved on Contacts app.
      double click the address popupwindow
Change-Id: I1fb33c99a81c14f59bfc5a1a87a1107e6df12879
diff --git a/src/com/android/ex/chips/RecipientEditTextView.java b/src/com/android/ex/chips/RecipientEditTextView.java
index bc55bd4..1fc7ec0 100644
--- a/src/com/android/ex/chips/RecipientEditTextView.java
+++ b/src/com/android/ex/chips/RecipientEditTextView.java
@@ -347,6 +347,9 @@
             @Override
             public void onItemClick(AdapterView<?> adapterView,View view, int position,
                     long rowId) {
+                if(mAlternatesPopup.getListView() != null){
+                    mAlternatesPopup.getListView().setOnItemClickListener(null);
+                }
                 mAlternatesPopup.setOnItemClickListener(null);
                 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter())
                         .getRecipientEntry(position));