RFR: 8296787: Unify debug printing format of X.509 cert serial numbers [v7]

[Sean Coffey]

On Fri, 8 Dec 2023 19:07:27 GMT, Ben Perez <duke at openjdk.org> wrote:

>> Updated `X509CertSelector.java`, `SerialNumber.java`, and `SSLLogger`  to use same debug printing format for X.509 serial numbers. The changes are:
>> -  `X509CertSelector` was `SN: 83be056904246b1a1756ac95991c74a` and now is `Serial number: 08:3B:E0:56:90:42:46:B1:A1:75:6A:C9:59:91:C7:4A`
>> - `SerialNumber` was `SerialNumber: [ 083be056 904246b1 a1756ac9 5991c74a]` and now is `Serial number: 08:3B:E0:56:90:42:46:B1:A1:75:6A:C9:59:91:C7:4A`
>> - `SSLLogger` was `"serial number" : "083BE056904246B1A1756AC95991C74A"` and now is `"serial number" : 08:3B:E0:56:90:42:46:B1:A1:75:6A:C9:59:91:C7:4A`
>
> Ben Perez has updated the pull request incrementally with one additional commit since the last revision:
> 
>   added format check to X509CertSelectorTest

Looks good to me. 

Please ensure you run a wide selection of tests before integration. It should include JFR testing to exercise the X509 JFR event testing we have there.

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Marked as reviewed by coffeys (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16834#pullrequestreview-1775475863