hg: jdk9/sandbox/jdk: 8151798: Mark java/util/TimeZone/Bug6772689.java as intermittently failing and demote to tier2

[chris.hegarty at oracle.com]

Changeset: 2f1011811248
Author:    amlu
Date:      2016-03-14 19:46 +0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/2f1011811248

8151798: Mark java/util/TimeZone/Bug6772689.java as intermittently failing and demote to tier2
Reviewed-by: lancea

! test/TEST.groups
! test/java/util/TimeZone/Bug6772689.java