RFR: 8255255: Update Apache Santuario (XML Signature) to version 2.2.1 [v7]

[Weijun Wang]

On Sun, 10 Jan 2021 05:17:23 GMT, Xue-Lei Andrew Fan <xuelei at openjdk.org> wrote:

>> Weijun Wang has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR.
>
> Marked as reviewed by xuelei (Reviewer).

Refresh all commits based on current master HEAD.

- Now synced with Apache Santuario 2.2.1
- More recent commits re-applied
- JDK-8259575 (SignatureMethodParameterSpec for RSASSA-PSS) excluded
- Copyright year changes for Oracle updated codes

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PR: https://git.openjdk.java.net/jdk/pull/1206