hg: jdk/sandbox: 8212132: (dc) Remove DatagramChannelImpl finalize method

[chris.hegarty at oracle.com]

Changeset: 9261ad32cba9
Author:    alanb
Date:      2019-10-27 12:13 +0000
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9261ad32cba9

8212132: (dc) Remove DatagramChannelImpl finalize method
Reviewed-by: bpb, chegar, dfuchs, martin

! src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/NioSocketImpl.java
+ test/jdk/java/nio/channels/DatagramChannel/Unref.java