RFR: 8300705: Update boot JDK to 19.0.2

[Ambarish Rapte]

Updating boot JDK to 19.0.2.

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Commit messages:
 - boot jdk 19.0.2b7

Changes: https://git.openjdk.org/jfx/pull/1019/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1019&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300705
  Stats: 11 lines in 2 files changed: 0 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jfx/pull/1019.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/1019/head:pull/1019

PR: https://git.openjdk.org/jfx/pull/1019