RFR: JDK-8300400: Update --release 20 symbol information for JDK 20 build 32

[Jonathan Gibbons]

On Thu, 19 Jan 2023 21:43:59 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Bug JDK-8299740 in JDK 20 b32 introduced a change that should be reflected in the symbol file.

Marked as reviewed by jjg (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12105