hg: jdk9/dev/langtools: 8173374: Update GenGraphs tool to generate dot graph with requires transitive edges

[mandy.chung at oracle.com]

Changeset: 9b2de82e7e49
Author:    mchung
Date:      2017-02-15 16:18 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/9b2de82e7e49

8173374: Update GenGraphs tool to generate dot graph with requires transitive edges
Reviewed-by: dfuchs, redestad

! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/Graph.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsConfiguration.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsTask.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleAnalyzer.java
+ src/jdk.jdeps/share/classes/com/sun/tools/jdeps/ModuleDotGraph.java
+ test/tools/jdeps/modules/DotFileTest.java