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

[maurizio.cimadamore at oracle.com]

Changeset: b904101cc8c4
Author:    mcimadamore
Date:      2019-07-16 18:05 +0000
URL:       https://hg.openjdk.java.net/amber/amber/rev/b904101cc8c4

Automatic merge with records-and-sealed