RFR: JDK-8067254: No debug symbols in JPRT Windows builds

[Tim Bell]

Hi Erik:

> Please review this fix which returns debug info files to the windows 
> images. In the modular image change I mistakenly filtered out the 
> debug info files (by comparing the new images/jdk/bin dir with the old 
> images/j2sdk-image/bin dir instead of images/j2sdk-image/jre/bin where 
> the files used to be). I also had to patch the jimage build tool to 
> make the .diz, .pdb and .map files end up in the bin dir.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8067254
> Webrev: http://cr.openjdk.java.net/~erikj/8067254/webrev.01/

Looks good to me.

Tim