hg: jdk-updates/jdk15u: 8254982: (tz) Upgrade time-zone data to tzdata2020c

[sean.coffey at oracle.com]

Changeset: d404071dba84
Author:    coffeys
Date:      2020-10-23 10:13 +0000
URL:       https://hg.openjdk.java.net/jdk-updates/jdk15u/rev/d404071dba84

8254982: (tz) Upgrade time-zone data to tzdata2020c
Reviewed-by: erikj, naoto
Contributed-by: Kiran Sidhartha Ravikumar <kravikumar at openjdk.org>

! make/data/tzdata/VERSION
! make/data/tzdata/australasia
! make/data/tzdata/europe
! test/jdk/java/util/Formatter/BasicDateTime.java