RFR: 8366537: Test "java/util/TimeZone/DefaultTimeZoneTest.java" is not updating the zone ID as expected [v5]

[Vanitha B P]

> Problem Statements: 
> 1. ZoneID is not updating when the user change the platform time zone setting, then click the "Update Time Zone" button.
> 2. ZoneID was not displaying in the window as it is displaying in the lower releases.
> 
> Test Results:
> jdk-25.0.1/bin/java -jar jtreg/lib/jtreg.jar -verbose:summary -testjdk:jdk-25.0.1  -dir:open/test/jdk java/util/TimeZone/DefaultTimeZoneTest.java
> 
> Passed: java/util/TimeZone/DefaultTimeZoneTest.java
> Test results: passed: 1

Vanitha B P has updated the pull request incrementally with one additional commit since the last revision:

  Vanitha B P

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27043/files
  - new: https://git.openjdk.org/jdk/pull/27043/files/676cd48a..c096a930

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27043&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27043&range=03-04

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27043.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27043/head:pull/27043

PR: https://git.openjdk.org/jdk/pull/27043