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

[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

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Commit messages:
 - 8366537: Test "java/util/TimeZone/DefaultTimeZoneTest.java" is not updating the zone ID as expected

Changes: https://git.openjdk.org/jdk/pull/27043/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27043&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8366537
  Stats: 30 lines in 1 file changed: 26 ins; 1 del; 3 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