hg: jdk9/dev/langtools: 8174695: Fix @since in module-info.java in dev/langtools repo

[huaming.li at oracle.com]

Changeset: 6967e22a5ddd
Author:    mli
Date:      2017-02-13 18:19 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/6967e22a5ddd

8174695: Fix @since in module-info.java in dev/langtools repo
Reviewed-by: mcimadamore

! src/java.compiler/share/classes/module-info.java
! src/jdk.compiler/share/classes/module-info.java
! src/jdk.javadoc/share/classes/module-info.java
! src/jdk.jdeps/share/classes/module-info.java