[jdk11u-dev] RFR: 8210407: Refactor java.util.Calendar:i18n shell tests to plain java tests

[Aleksey Shipilev]

Backporting for `11.0.13-oracle` parity.

Additional testing:
 - [x] New tests pass on Linux x86_64
 - [x] `java/util/Calendar` tests pass
 - [x] Eyeballing new test outputs

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Commit messages:
 - Backport 533bd0a60425f27fd77a3001b665cf544f20af6f

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/228/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=228&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8210407
  Stats: 349 lines in 7 files changed: 157 ins; 188 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/228.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/228/head:pull/228

PR: https://git.openjdk.java.net/jdk11u-dev/pull/228