RFR(S): 8191229: serviceability/jvmti/GetOwnedMonitorInfo/GetOwnedMonitorInfoTest.java fails with NoClassDefFoundError

[Chris Plummer]

New webrev:

https://bugs.openjdk.java.net/browse/JDK-8191229
http://cr.openjdk.java.net/~cjplummer/8191229/webrev.01/

testClass now initialized from JNI_OnLoad(), and use memset to clear 
callbacks. Also updated to use JVMTI_VERSION_9 when calling GetEnv().

thanks,

Chris