RFR: Add dependency information for initial RFR mail of a dependent PR [v2]

[Robin Westberg]

On Thu, 21 Jan 2021 14:41:05 GMT, Erik Helin <ehelin at openjdk.org> wrote:

>> Robin Westberg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Apply suggestions from code review
>>   
>>   Co-authored-by: Erik Duveblad <erik.helin at oracle.com>
>
> Looks good! Just a minor nit, I would have used the wording `"Depends on"` instead of `"Depends on PR"` :smiling_face_with_three_hearts:

Sure, why not!

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PR: https://git.openjdk.java.net/skara/pull/991