8028265: Add legacy tz tests to OpenJDK

[gnu-andrew]

This is a clean backport of JDK-8028265, other than moving the tests from test/jdk to jdk/test.

All tests pass with current 8u. AssureTzdataVersion also successfully caught version mismatches between the local tree's 2022a and 2021e in an old build, and 2022c in my system build that already has updated system tzdata

Applying for this as a critical fix as it's a pre-requisite for JDK-8292579, the update to 2022c

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8028265: Add legacy tz tests to OpenJDK

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk8u pull/20/head:pull/20
$ git checkout pull/20

Update a local copy of the PR:
$ git checkout pull/20
$ git pull https://git.openjdk.org/jdk8u pull/20/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 20

View PR using the GUI difftool:
$ git pr show -t 20

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk8u/pull/20.diff

[gnu-andrew]

/clean

[bridgekeeper]

👋 Welcome back andrew! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@gnu-andrew This backport pull request is now marked as clean

[openjdk]

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

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

8028265: Add legacy tz tests to OpenJDK

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[mlbridge]

Webrevs

• 00: Full (c63b7619)

[gnu-andrew]

Tests look good (Windows failure is a download failure on release build only) and I see jdk8u-critical-yes

[gnu-andrew]

/integrate

[openjdk]

Going to push as commit e2cbfd5.

[openjdk]

@gnu-andrew Pushed as commit e2cbfd5.

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