hg: jdk/jdk12: 8210669: Some launcher tests assume a pre-JDK 9 run-time image layout

[mark.reinhold at oracle.com]

Changeset: 76a4b08fdf59
Author:    mr
Date:      2019-01-09 08:52 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/76a4b08fdf59

8210669: Some launcher tests assume a pre-JDK 9 run-time image layout
Reviewed-by: mchung

! test/jdk/tools/launcher/ExecutionEnvironment.java
! test/jdk/tools/launcher/Test7029048.java
! test/jdk/tools/launcher/TestHelper.java