git: openjdk/jdk17u-dev: 8305186: Reference.waitForReferenceProcessing should be more accessible to tests

[SendaoYan]

Changeset: a64ed9d5
Branch: master
Author:    SendaoYan <syan at openjdk.org>
Date:      2025-10-24 06:34:44 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/a64ed9d5e076293593e0550e42ea4433d1461fce

8305186: Reference.waitForReferenceProcessing should be more accessible to tests

Backport-of: d8f012ea2a0514020434d5db6047e36941e9349b

! test/lib/jdk/test/whitebox/WhiteBox.java