RFR: 8059591: Give TaskListener methods empty default implementations

[Joel Borggren-Franck]

Looks good.

cheers
/Joel

On 2014-11-11, Andreas Lundblad wrote:
> Hi compiler-dev,
> 
> I'd be very grateful if someone could review this (tiny) fix for JDK-8059591.
> 
> Description:
> This patch adds empty default implementations for the com.sun.source.util.TaskListener methods.
> 
> Link to CCC:
> http://ccc.us.oracle.com/8059591
> 
> Link to web review:
> http://cr.openjdk.java.net/~alundblad/8059591
> 
> Link to bug reports:
> http://bugs.openjdk.java.net/browse/JDK-8059591
> 
> -- Andreas