git: openjdk/jdk17u-dev: 8278065: Refactor subclassAudits to use ClassValue

[Roman Kennke]

Changeset: 8d7f26b7
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2022-03-25 12:50:51 +0000
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/8d7f26b7ad4d1cf5750ac807b4f935fa63d3b047

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