hg: jdk/submit: 8196325: GarbageCollectionNotificationInfo has same information for before and after

[sangheon.kim at oracle.com]

Changeset: 2422d4e027b0
Author:    sangheki
Date:      2018-04-24 16:48 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/2422d4e027b0

8196325: GarbageCollectionNotificationInfo has same information for before and after
Reviewed-by: mchung, sspitsyn

! src/java.management/share/classes/sun/management/ManagementFactoryHelper.java
! src/jdk.management/share/classes/com/sun/management/internal/GarbageCollectorExtImpl.java
! test/jdk/com/sun/management/GarbageCollectorMXBean/GarbageCollectionNotificationContentTest.java