[jfx18] RFR: 8280280: Update boot JDK to 17.0.2

Fri Jan 21 07:47:56 UTC 2022

On Wed, 19 Jan 2022 18:43:31 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> JDK 17.0.2 shipped yesterday as part of the January CPU release. We should update the JavaFX 18 build to use that version, so this is targeted for `jfx18`.

Verified that builds and tests on all three platforms ran successfully.

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Marked as reviewed by sykora (Author).

PR: https://git.openjdk.java.net/jfx/pull/721