pconcannon [Wed, 20 Nov 2019 10:13:10 +0000] rev 59200
8234103: DatagramSocketImpl::socket is not needed
Summary: DatagramSocketImpl has a socket field that links back to the DatagramSocket. This is only used to figure out whether multicasting is supported or not. This fix replaces it with a boolean isMulticast.
Reviewed-by: alanb, chegar, dfuchs