hg: jdk/submit: 8215329: Modify ZGC requirement for HeapMonitorThreadTest.java

[jcbeyler at google.com]

Changeset: a78a01f18c33
Author:    jcbeyler
Date:      2018-12-13 09:54 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/a78a01f18c33

8215329: Modify ZGC requirement for HeapMonitorThreadTest.java
Summary: Modify the requirement to be tested
Reviewed-by: amenkov, pliden

! test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorThreadTest.java