hg: jdk8/tl/langtools: 7093891: support multiple task listeners

[jonathan.gibbons at oracle.com]

Changeset: 62e611704863
Author:    jjg
Date:      2012-02-28 10:33 -0800
URL:       http://hg.openjdk.java.net/jdk8/tl/langtools/rev/62e611704863

7093891: support multiple task listeners
Reviewed-by: darcy, mcimadamore

! src/share/classes/com/sun/source/util/JavacTask.java
+ src/share/classes/com/sun/tools/javac/api/BasicJavacTask.java
! src/share/classes/com/sun/tools/javac/api/ClientCodeWrapper.java
! src/share/classes/com/sun/tools/javac/api/JavacTaskImpl.java
! src/share/classes/com/sun/tools/javac/api/JavacTrees.java
+ src/share/classes/com/sun/tools/javac/api/MultiTaskListener.java
! src/share/classes/com/sun/tools/javac/main/JavaCompiler.java
! src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java
+ test/tools/javac/api/taskListeners/TestSimpleAddRemove.java
! test/tools/javac/processing/loader/testClose/TestClose.java