RFR: 8308453: Convert JKS test keystores in test/jdk/javax/net/ssl/etc to PKCS12 [v6]

[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:

  additional updates to explicitly use PKCS12

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/16159/files
  - new: https://git.openjdk.org/jdk/pull/16159/files/e104fb92..3666328b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16159&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16159&range=04-05

  Stats: 161 lines in 46 files changed: 102 ins; 0 del; 59 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