RFR: 8306431: File.listRoots method description should be re-examined [v9]

[Brian Burkhalter]

On Thu, 8 Jun 2023 00:54:28 GMT, Nagata-Haruhito <duke at openjdk.org> wrote:

>> I fixed File.listRoots description.
>> * remove "the insertion or ejection of removable media"
>> * change "available" to "existing"
>> 
>> Please review this change.
>
> Nagata-Haruhito has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Follow CSR description

Marked as reviewed by bpb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13526#pullrequestreview-1468800804