JDK 10 RFR of JDK-8183377: Refactor java/lang/ClassLoader/deadlock shell tests to java

[Amy Lu]

java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
java/lang/ClassLoader/deadlock/TestOneWayDelegate.sh

Please review this patch to refactor the shell tests to java.

bug: https://bugs.openjdk.java.net/browse/JDK-8183377
http://cr.openjdk.java.net/~amlu/8183377/webrev.00/

Thanks,
Amy