[jdk17u-dev] RFR: 8306014: Update javax.net.ssl TLS tests to use SSLContextTemplate or SSLEngineTemplate

[Goetz Lindenmaier]

I backport this for parity with 17.0.11-oracle.

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

Commit messages:
 - Backport 705ad7d829dcbf8f5e2f098275d0856f6b86db2d

Changes: https://git.openjdk.org/jdk17u-dev/pull/2156/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2156&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306014
  Stats: 1002 lines in 6 files changed: 266 ins; 693 del; 43 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2156.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2156/head:pull/2156

PR: https://git.openjdk.org/jdk17u-dev/pull/2156