RFR: Build: Update to JDK 15.0.2 [v2]

Thu Feb 4 18:01:32 UTC 2021

On Thu, 4 Feb 2021 14:43:47 GMT, Andrea Cosentino <github.com+5106647+oscerd at openjdk.org> wrote:

> Thanks for reviewing, we now need a second reviewer right?

No, Skara only requires one Reviewer (otherwise the bot wouldn't have labelled this as "ready'). You are good to go, just follow the bot's instructions :robot:

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PR: https://git.openjdk.java.net/skara/pull/989