RFR: 8305972: Update XML Security for Java to 3.0.2 [v6]

[Weijun Wang]

> Update XML Security for Java to 3.0.2. Some change to tests:
> 
> 1. No more Xalan. One test case is singled out to demonstrate how to use a special configuration.
> 2. EdDSA does not support `KeyValue`. Use X.509 certificate instead.

Weijun Wang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:

 - add here() back
 - Merge branch 'master' into 8305972
 - comment for new test
 - no more secret exports, one message change
 - more comment and spec refine
 - cleanup commented out code and unnecessary bug id
 - the change

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/13840/files
  - new: https://git.openjdk.org/jdk/pull/13840/files/b4cf0070..79ad37be

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13840&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13840&range=04-05

  Stats: 18366 lines in 550 files changed: 13234 ins; 2765 del; 2367 mod
  Patch: https://git.openjdk.org/jdk/pull/13840.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13840/head:pull/13840

PR: https://git.openjdk.org/jdk/pull/13840