[jdk16u] RFR: 8259048: (tz) Upgrade time-zone data to tzdata2020f

[Kiran Sidhartha Ravikumar]

Looking to backport the tzdata2020f changes to jdk16-updates. Changes have passed regression.

JBS: https://bugs.openjdk.java.net/browse/JDK-8259048

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Commit messages:
 - Backport fe84ecd52b929759c3f355afc20c5356829351d5

Changes: https://git.openjdk.java.net/jdk16u/pull/5/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16u&pr=5&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259048
  Stats: 729 lines in 10 files changed: 578 ins; 19 del; 132 mod
  Patch: https://git.openjdk.java.net/jdk16u/pull/5.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16u pull/5/head:pull/5

PR: https://git.openjdk.java.net/jdk16u/pull/5