[8u60] Review request for RT-39541: Firing SimpleUpdateChange does not get propagated properly on SortedList

[Vadim Pakhnushev]

Chien, Kevin,
Please review the fix:
https://javafx-jira.kenai.com/browse/RT-39541
http://cr.openjdk.java.net/~vadim/RT-39541/webrev.00/

Thanks,
Vadim