RFR: 8366733: Re-examine older java.text NF, DF, and DFS serialization tests [v2]

[Justin Lu]

On Fri, 5 Sep 2025 21:09:43 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Justin Lu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Retain hex dump and test against older versions directly
>
> test/jdk/java/text/Format/DecimalFormat/DecimalFormat.114.txt line 2:
> 
>> 1: #
>> 2: # Copyright (c) 1998, 2025, Oracle and/or its affiliates. All rights reserved.
> 
> Nit: since the content of the file has not changed, I don't think we need to update the year

Restored in https://github.com/openjdk/jdk/pull/27108/commits/c57082c684961993b64b9627f4e64c5d7cea70b6

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PR Review Comment: https://git.openjdk.org/jdk/pull/27108#discussion_r2326093681