[jdk11u-dev] RFR: 8311081: KeytoolReaderP12Test.java fail on localized Windows platform

[Amos Shi]

Backport of [JDK-8311081](https://bugs.openjdk.org/browse/JDK-8311081)

Testing
- Local: Not applicable
  - jtreg message: Not a test or directory containing tests: `java/security/KeyStore/PKCS12/Utils.java`
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport b4b2fecb42d9f14d73e8d79a9e59dee4d697f9cf

Changes: https://git.openjdk.org/jdk11u-dev/pull/2479/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2479&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311081
  Stats: 6 lines in 1 file changed: 3 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2479.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2479/head:pull/2479

PR: https://git.openjdk.org/jdk11u-dev/pull/2479