8305950: Have -XshowSettings option display tzdata version

[coffeys]

minor enhancement to have -XshowSettings launcher option display the version of tzdata installed in the JDK

example output of the new tzdata info :

....
Locale settings:
    default locale = English
    default display locale = English
    default format locale = English
    tzdata version = 2023c
    available locales = , af, af_NA, af_ZA, af_ZA_#Latn, agq, agq_CM, agq_CM_#Latn,
    ......

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8305950: Have -XshowSettings option display tzdata version

Reviewers

• Roger Riggs (@RogerRiggs - Reviewer)

Reviewing

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[bridgekeeper]

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[openjdk]

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[mlbridge]

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• 00: Full (708ad4fa)

[openjdk]

@coffeys This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8305950: Have -XshowSettings option display tzdata version

Reviewed-by: rriggs

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At the time when this comment was updated there had been 1 new commit pushed to the master branch:

• bb3e44d: 8307603: [AIX] Broken build after JDK-8307301

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[coffeys]

/integrate

[openjdk]

Going to push as commit 07f55c5.
Since your change was applied there have been 15 commits pushed to the master branch:

• d9052b9: 8307130: Open source few Swing JMenu tests
• 5e1fe43: 8299229: [JVMCI] add support for UseZGC
• 14df5c1: 8307165: java/awt/dnd/NoFormatsDropTest/NoFormatsDropTest.java timed out
• 7f6358a: 8291555: Implement alternative fast-locking scheme
• 4116b10: 8306461: ObjectInputStream::readObject() should handle negative array sizes without throwing NegativeArraySizeExceptions
• 93ee19f: 8305486: Add split() variants that keep the delimiters to String and j.u.r.Pattern
• ad90fb6: 8293786: HttpClient will not send more than 64 kb of data from the 2nd request in http2
• 5a259d8: 8303153: Native interpreter frame missing mirror
• 4b02956: 8054022: HttpURLConnection timeouts with Expect: 100-Continue and no chunking
• 9f34e4f: 8304434: [AIX] Update minimum xlclang version
• ... and 5 more: https://git.openjdk.org/jdk/compare/5c7ede94ae59b46c12d40a38bf5b7e15319cc7e2...master

Your commit was automatically rebased without conflicts.

[openjdk]

@coffeys Pushed as commit 07f55c5.

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