git: openjdk/jdk18u: master: 8278065: Refactor subclassAudits to use ClassValue

[Roman Kennke]

Changeset: b5ce23b0
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2022-03-23 21:30:56 +0000
URL:       https://git.openjdk.java.net/jdk18u/commit/b5ce23b0c17e4855fdd91dca37655fd6eb0e7ec2

8278065: Refactor subclassAudits to use ClassValue

Backport-of: 8fed8ab29cae4f189f44609c23f116967eef6bdf

! src/java.base/share/classes/java/io/ObjectInputStream.java
! src/java.base/share/classes/java/io/ObjectOutputStream.java
! src/java.base/share/classes/java/io/ObjectStreamClass.java