RFR: JDK-8246042: Non-ASCII characters are not handled correctly in the native launcher

[Alexey Semenyuk]

Please review fix [2] for jpackage bug [1].

On Windows encode arguments for JNI_Launch() call with an encoding of 
the current process ANSI code page instead of utf8.

- Alexey

[1] https://bugs.openjdk.java.net/browse/JDK-8246042

[2] http://cr.openjdk.java.net/~asemenyuk/8246042/webrev.00