RFR: 8276536: Update TimeZoneNames files to follow the changes made by JDK-8275766

[Yoshiki Sato]

Please review this PR to update the TimeZoneNames files.  @naotoj @coffeys 

Some short name changes are not integrated to the JDK. It was detected by the change made in JDK-8275766. 
- Africa/Juba change was done by 2017c 
- Africa/Windhoek changes were done by 2018e 
- Antarctica/Macquarie change was done by 2017a

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Commit messages:
 - Update affected long timezone names with its English name
 - Fix full timezone names of Antarctica/Macquarie
 - 8276536: Update TimeZoneNames files to follow the changes made by JDK-8275766

Changes: https://git.openjdk.java.net/jdk/pull/6226/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6226&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276536
  Stats: 88 lines in 11 files changed: 22 ins; 0 del; 66 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6226.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6226/head:pull/6226

PR: https://git.openjdk.java.net/jdk/pull/6226