hg: jdk/jdk: 8240691: ClhsdbCDSJstackPrintAll incorrectly thinks CDS is in use

[yumin.qi at gmail.com]

Changeset: 8c0b7b88b646
Author:    minqi
Date:      2020-03-10 11:52 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/8c0b7b88b646

8240691: ClhsdbCDSJstackPrintAll incorrectly thinks CDS is in use
Summary: Fix by checking "UseSharedSpaces = false" for CDS enabled.
Reviewed-by: iklam

! src/hotspot/share/prims/whitebox.cpp
! test/hotspot/jtreg/serviceability/sa/ClhsdbCDSCore.java
! test/hotspot/jtreg/serviceability/sa/ClhsdbCDSJstackPrintAll.java