hg: jigsaw/jake/jdk: Add @spec JPMS to ThreadInfo::from

[mandy . chung]

Changeset: 31ed261df102
Author:    mchung
Date:      2017-04-20 09:00 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/31ed261df102

Add @spec JPMS to ThreadInfo::from

! src/java.management/share/classes/java/lang/management/ThreadInfo.java