RFR: 8267543: Post JEP 411 refactoring: security [v2]

[Sean Mullan]

On Tue, 25 May 2021 16:20:35 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> For all modified files in #4073 having "security", "crypto", or "ssl" in their names. Codes are refactored to bring a `@SuppressWarning` annotation nearer to the deprecated API usage and also shrink the size of its target.
>> 
>> I'll add a copyright year update commit before integration.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   one more change

Update copyright dates to 2021, if applicable.

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PR: https://git.openjdk.java.net/jdk/pull/4172