hg: jdk9/sandbox/jdk: correct expected exe name for sleep on windows

[roger.riggs at oracle.com]

Changeset: b4c82c59fcaa
Author:    rriggs
Date:      2015-03-03 18:02 -0500
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/b4c82c59fcaa

correct expected exe name for sleep on windows

! test/java/lang/ProcessHandle/InfoTest.java