hg: jigsaw/jake/jdk: Add @spec tag on additional APIs for JPMS spec

[mandy.chung at oracle.com]

Changeset: 5135bbdae96f
Author:    mchung
Date:      2017-02-03 13:50 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/5135bbdae96f

Add @spec tag on additional APIs for JPMS spec

! src/java.base/share/classes/java/lang/StackTraceElement.java
! src/java.base/share/classes/java/net/URLClassLoader.java
! src/java.base/share/classes/java/security/SecureClassLoader.java
! src/java.instrument/share/classes/java/lang/instrument/ClassFileTransformer.java