hg: amber/amber: Automatic merge with default

[maurizio.cimadamore at oracle.com]

Changeset: a6a70e4541b3
Author:    mcimadamore
Date:      2017-11-10 18:51 +0100
URL:       http://hg.openjdk.java.net/amber/amber/rev/a6a70e4541b3

Automatic merge with default

- src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/PropertyListeners.java