RFR: 8308453: Convert JKS test keystores in test/jdk/javax/net/ssl/etc to PKCS12 [v11]

[Kevin Driver]

> JDK-8308453: JSSE regression test keystore migration from JKS to PKCS12

Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:

  code review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16159/files
  - new: https://git.openjdk.org/jdk/pull/16159/files/a35fa4cf..59aaba72

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16159&range=10
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16159&range=09-10

  Stats: 23 lines in 3 files changed: 0 ins; 10 del; 13 mod
  Patch: https://git.openjdk.org/jdk/pull/16159.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16159/head:pull/16159

PR: https://git.openjdk.org/jdk/pull/16159