git: openjdk/jfx: jfx17: 8270959: Update boot JDK to 16.0.2

[Kevin Rushforth]

Changeset: d5401095
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2021-07-23 11:40:13 +0000
URL:       https://git.openjdk.java.net/jfx/commit/d5401095f7655f281e9cb5006caf95bc6d0695d5

8270959: Update boot JDK to 16.0.2

Reviewed-by: arapte, sykora

! .github/workflows/submit.yml
! build.properties