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

[maurizio.cimadamore at oracle.com]

Changeset: ef06a5eb98d2
Author:    mcimadamore
Date:      2019-09-25 16:00 +0000
URL:       https://hg.openjdk.java.net/amber/amber/rev/ef06a5eb98d2

Automatic merge with records-and-sealed