Merge change 22314 into eclair

* changes:
  Purge cache

core/java/com/google/android/mms/pdu/PduPersister.java

@@ -1021,6 +1021,7 @@ public class PduPersister {
                     + "content://mms/drafts, content://mms/outbox, "
                     + "content://mms/temp.");
         }
+        PDU_CACHE_INSTANCE.purge(uri);
 
         PduHeaders header = pdu.getPduHeaders();
         PduBody body = null;