Compiler error when changing the package path

In java.util.regex, when changing the package path of [SplitTest.java](https://github.com/google/j2objc/blob/master/jre_emul/android/platform/libcore/luni/src/test/java/org/apache/harmony/regex/tests/java/util/regex/SplitTest.java) from `package org.apache.harmony.regex.tests.java.util.regex;` to `package org.apache.harmony.tests.java.util.regex;`, there is a compiler error to build the test with message: Exception in thread "main" com.sun.tools.javac.util.Abort.