hg: jdk/sandbox: 8222980: Upgrade IANA Language Subtag Registry to Version 2019-04-03

[chris.hegarty at oracle.com]

Changeset: 515568d2e85c
Author:    naoto
Date:      2019-04-26 09:09 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/515568d2e85c

8222980: Upgrade IANA Language Subtag Registry to Version 2019-04-03
Reviewed-by: bpb, lancea

! make/data/lsrdata/language-subtag-registry.txt
! test/jdk/java/util/Locale/Bug8040211.java