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

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