hg: jdk/sandbox: 8231097: [TESTBUG] runtime/cds/appcds/DirClasspathTest.java can fail with a mapping error

[chris.hegarty at oracle.com]

Changeset: 81134def991d
Author:    ccheung
Date:      2019-09-24 20:16 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/81134def991d

8231097: [TESTBUG] runtime/cds/appcds/DirClasspathTest.java can fail with a mapping error
Summary: Check output for mapping failure and throw a SkippedException.
Reviewed-by: iklam, dholmes

! test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java