[jdk17u-dev] RFR: 8180266: Convert sun/security/provider/KeyStore/DKSTest.sh to Java Jtreg Test

[Goetz Lindenmaier]

I backport this for parity with 17.0.9-oracle.

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Commit messages:
 - Backport 7f313b0cef7d0e9732beed6c61298815306531e0

Changes: https://git.openjdk.org/jdk17u-dev/pull/1560/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1560&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8180266
  Stats: 103 lines in 3 files changed: 20 ins; 78 del; 5 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1560.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1560/head:pull/1560

PR: https://git.openjdk.org/jdk17u-dev/pull/1560