RFR: 8358627: tools/sincechecker/modules/java.base/JavaBaseCheckSince.java fails with JDK 26

[SendaoYan]

On Tue, 17 Jun 2025 15:22:24 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

> Once [8346295](https://bugs.openjdk.org/browse/JDK-8346295) is resolved, JavaBaseCheckSince no longer needs to be problemlisted.

Marked as reviewed by syan (Committer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/25855#pullrequestreview-2937604336