hg: jdk9/dev/langtools: 8156158: Mark ToolLocaleMessageTest.java as intermittently failing, demote to tier 2

[joe.darcy at oracle.com]

Changeset: 59a16fa5dede
Author:    darcy
Date:      2016-05-09 11:06 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/59a16fa5dede

8156158: Mark ToolLocaleMessageTest.java as intermittently failing, demote to tier 2
Reviewed-by: jlahoda

! test/TEST.groups
! test/jdk/jshell/ToolLocaleMessageTest.java