RFR(s): 8132206: move ScanTest.java into OpenJDK

[Stuart Marks]

Hi all,

Please review this small change to add a test for java.util.Scanner into 
OpenJDK. This test was inadvertently omitted from OpenJDK when the regression 
tests were migrated into the open.

Bug:
        https://bugs.openjdk.java.net/browse/JDK-8132206

Webrev:
        http://cr.openjdk.java.net/~smarks/reviews/8132206/webrev.0/

s'marks