[jdk11u-dev] RFR: 8282511: Use fixed certificate validation date in SSLExampleCert template [v3]

[Roman Marchenko]

> Clean backport
> 
> Please note that this PR is a part of dependant PR chain
> 
> Prev PRs: 
> - #1574 
> - #1575

Roman Marchenko has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  Backport 268fa693188b685de6289927ee5a1e99473a50f6

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Changes: https://git.openjdk.org/jdk11u-dev/pull/1576/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1576&range=02
  Stats: 218 lines in 2 files changed: 37 ins; 2 del; 179 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1576.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1576/head:pull/1576

PR: https://git.openjdk.org/jdk11u-dev/pull/1576