git: openjdk/mobile: 8242010: Upgrade IANA Language Subtag Registry to Version 2020-04-01

[duke]

Changeset: 51a5e9ca
Author:    Naoto Sato <naoto at openjdk.org>
Date:      2020-04-08 09:50:03 +0000
URL:       https://git.openjdk.java.net/mobile/commit/51a5e9ca

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