hg: jdk/submit: 8219976: GarbageCollectionNotificationInfo always says "No GC" when running Shenandoah

[zgu at redhat.com]

Changeset: f3fd73c3a077
Author:    zgu
Date:      2019-03-02 08:33 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/f3fd73c3a077

8219976: GarbageCollectionNotificationInfo always says "No GC" when running Shenandoah
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahUtils.cpp