hg: jdk/sandbox: 8241082: Upgrade IANA Language Subtag Registry data to 03-16-2020 version

[chris.hegarty at oracle.com]

Changeset: f40aa9beb326
Author:    naoto
Date:      2020-03-17 19:11 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/f40aa9beb326

8241082: Upgrade IANA Language Subtag Registry data to 03-16-2020 version
Reviewed-by: joehw

! make/data/lsrdata/language-subtag-registry.txt
! make/jdk/src/classes/build/tools/generatelsrequivmaps/EquivMapsGenerator.java
! test/jdk/java/util/Locale/Bug8040211.java