git: openjdk/jdk13u-dev: 8255226: (tz) Upgrade time-zone data to tzdata2020d

[Dmitry Cherepanov]

Changeset: 2f9e4584
Author:    Dmitry Cherepanov <dcherepanov at openjdk.org>
Date:      2020-12-17 12:38:11 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/2f9e4584

8255226: (tz) Upgrade time-zone data to tzdata2020d

Backport-of: b65ff60a8e36bd1f4b531abe68962f4691359964

! make/data/tzdata/VERSION
! make/data/tzdata/asia
! make/data/tzdata/europe
! src/java.base/share/classes/sun/util/calendar/ZoneInfoFile.java