[8u] RFR 8221412: lookupPrintServices() does not always update the list of Windows remote printers

[Zhengyu Gu]

Please review this 8u backport. The original patch did not apply 
cleanly, there were minor conflicts, such as copyright years and 
indents, etc.

Bug: https://bugs.openjdk.java.net/browse/JDK-8221412
Original patch: http://hg.openjdk.java.net/jdk/jdk/rev/31c35004f300

8u backport: http://cr.openjdk.java.net/~zgu/JDK-8221412-8u/webrev.00/

Thanks,

-Zhengyu