hg: amber/amber: Automatic merge with records-and-sealed

[maurizio.cimadamore at oracle.com]

Changeset: 9104a203a6a2
Author:    mcimadamore
Date:      2019-09-25 20:55 +0000
URL:       https://hg.openjdk.java.net/amber/amber/rev/9104a203a6a2

Automatic merge with records-and-sealed