hg: jdk/jdk: 8242010: Upgrade IANA Language Subtag Registry to Version 2020-04-01

[naoto.sato at oracle.com]

Changeset: 706df347bcc2
Author:    naoto
Date:      2020-04-08 09:50 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/706df347bcc2

8242010: Upgrade IANA Language Subtag Registry to Version 2020-04-01
Reviewed-by: rriggs, joehw

! make/data/lsrdata/language-subtag-registry.txt
! make/jdk/src/classes/build/tools/generatelsrequivmaps/EquivMapsGenerator.java
! test/jdk/java/util/Locale/Bug7069824.java
! test/jdk/java/util/Locale/Bug8040211.java
! test/jdk/java/util/Locale/LSRDataTest.java