[8u40] Request for approval: 8061392: PrinterJob NPE when drawing translucent image with null user clip

[Phil Race]

Please approval the identical backport of the fix for
Bug: https://bugs.openjdk.java.net/browse/JDK-8061392
JDK9 review thread: 
http://mail.openjdk.java.net/pipermail/2d-dev/2014-October/004903.html
JDK9 webrev : http://cr.openjdk.java.net/~prr/8061392
Identical JDK8u fix : http://cr.openjdk.java.net/~prr/8061392.8u/

-phil.