hg: jdk/sandbox: 8218029: [TESTBUG] Use -Djava.class.path= to specify empty -cp in CDS tests

[chris.hegarty at oracle.com]

Changeset: 962ed57b29c9
Author:    iklam
Date:      2019-02-04 19:42 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/962ed57b29c9

8218029: [TESTBUG] Use -Djava.class.path= to specify empty -cp in CDS tests
Reviewed-by: ccheung, dholmes

! test/hotspot/jtreg/runtime/SharedArchiveFile/NonBootLoaderClasses.java
! test/hotspot/jtreg/runtime/appcds/TestCommon.java
! test/hotspot/jtreg/runtime/appcds/jigsaw/modulepath/AddModules.java
! test/hotspot/jtreg/runtime/appcds/jigsaw/modulepath/AddReads.java
! test/hotspot/jtreg/runtime/appcds/jigsaw/modulepath/ModulePathAndCP.java
! test/hotspot/jtreg/runtime/appcds/jigsaw/overridetests/OverrideTests.java