Dedupe birthdays from raw contacts.

Bug: 6434433
Change-Id: Ia7f0a8720cb2b9be883248517c9c61c25cc7be26
diff --git a/src/com/android/contacts/detail/ContactDetailFragment.java b/src/com/android/contacts/detail/ContactDetailFragment.java
index f66466d..f82d91a 100644
--- a/src/com/android/contacts/detail/ContactDetailFragment.java
+++ b/src/com/android/contacts/detail/ContactDetailFragment.java
@@ -459,6 +459,7 @@
         Collapser.collapseList(mEmailEntries);
         Collapser.collapseList(mPostalEntries);
         Collapser.collapseList(mImEntries);
+        Collapser.collapseList(mEventEntries);
 
         mIsUniqueNumber = mPhoneEntries.size() == 1;
         mIsUniqueEmail = mEmailEntries.size() == 1;