hg: jdk/jdk: 8213323: sa/TestJmapCoreMetaspace.java and sa/TestJmapCore.java fail with ZGC

[jini.george at oracle.com]

Changeset: a2500cf11ee5
Author:    jgeorge
Date:      2018-12-04 11:10 +0530
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/a2500cf11ee5

8213323: sa/TestJmapCoreMetaspace.java and sa/TestJmapCore.java fail with ZGC
Summary: Avoid creating the hprof file and throw an exception in HeapHprofBinWriter for ZGC and handle this in the TestJmap* testcases
Reviewed-by: gadams, jcbeyler, cjplummer

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/JMap.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/HeapHprofBinWriter.java
! test/hotspot/jtreg/serviceability/sa/TestJmapCore.java