hg: jdk/sandbox: Merge from default

[erik.joelsson at oracle.com]

Changeset: 2e2fa5dc9f38
Author:    erikj
Date:      2018-10-10 14:15 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2e2fa5dc9f38

Merge from default

- test/jdk/com/sun/jdi/DeferredStepTest.sh
- test/jdk/com/sun/jdi/ShellScaffold.sh
- test/jdk/com/sun/jdi/ZZZcleanup.sh