hg: jdk/submit: 8223214: Inet6AddressImpl.loopbackAddress() should choose loopback address that is available

[jianglizhou at google.com]

Changeset: e178b200e779
Author:    aeubanks
Date:      2019-05-15 09:15 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/e178b200e779

8223214: Inet6AddressImpl.loopbackAddress() should choose loopback address that is available
Reviewed-by: chegar
Contributed-by: aeubanks at google.com

! src/java.base/share/classes/java/net/Inet6AddressImpl.java