RFR: 6909: Upgrade to Eclipse 2020-09 [v13]

[Marcus Hirt]

On Wed, 30 Sep 2020 11:39:24 GMT, Guru Hb <ghb at openjdk.org> wrote:

>> Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Formatting
>
> Looks good to me, Verified unittest on windows and linux.

Bombs away! Let me know if you run into trouble.

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PR: https://git.openjdk.java.net/jmc/pull/111