hg: jdk/submit: 8235514: Update record serialization tests to not use hard coded source versions

[joe.darcy at oracle.com]

Changeset: 01cb61a27e61
Author:    darcy
Date:      2019-12-06 13:32 -0800
URL:       https://hg.openjdk.java.net/jdk/submit/rev/01cb61a27e61

8235514: Update record serialization tests to not use hard coded source versions
Reviewed-by: lancea

! test/jdk/java/io/Serializable/records/BadCanonicalCtrTest.java
! test/jdk/java/io/Serializable/records/ProhibitedMethods.java
! test/jdk/java/io/Serializable/records/SerialPersistentFieldsTest.java