hg: amber/amber: records: fix last serialization test that does not delegate to the canonical ctr

[chris.hegarty at oracle.com]

Changeset: c7cc91b57357
Author:    chegar
Date:      2019-10-26 12:11 +0100
URL:       https://hg.openjdk.java.net/amber/amber/rev/c7cc91b57357

records: fix last serialization test that does not delegate to the canonical ctr

! test/jdk/java/io/Serializable/records/StreamRefTest.java