hg: amber/amber: records: clean up in Serialization code

[chris.hegarty at oracle.com]

Changeset: b3e8bdfcb968
Author:    chegar
Date:      2019-10-21 14:41 +0100
URL:       https://hg.openjdk.java.net/amber/amber/rev/b3e8bdfcb968

records: clean up in Serialization code

! src/java.base/share/classes/java/io/ObjectInputStream.java
! src/java.base/share/classes/java/io/ObjectStreamClass.java
! test/jdk/java/io/Serializable/records/WriteReplaceTest.java