hg: jdk7u/jdk7u/jdk: 8129822: Define "headful" jtreg keyword

[mbalao]

Changeset: b0731daeea1a
Author:    phh
Date:      2019-02-25 07:03 +0000
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/b0731daeea1a

8129822: Define "headful" jtreg keyword
Summary: Add "headfull" keyword to jdk/test/TEST.ROOT.
Reviewed-by: alanb, alexsch

! test/TEST.ROOT