Fix braino in the test to make it work on target.

bug:29449194

(cherry picked from commit d8aa513eba9c6100a829168d31938610a99eecbb)

Change-Id: I58bd94a6c8cef7b6ac52dfb375a1df1937510767
diff --git a/test/150-loadlibrary/src/Main.java b/test/150-loadlibrary/src/Main.java
index 5e34922..9086937 100644
--- a/test/150-loadlibrary/src/Main.java
+++ b/test/150-loadlibrary/src/Main.java
@@ -49,7 +49,7 @@
     // log that we'd have to strip (it contains the pid).
     Method m = Runtime.class.getDeclaredMethod("doLoad", String.class, ClassLoader.class);
     m.setAccessible(true);
-    Object result = m.invoke(Runtime.getRuntime(), libName, bootClassLoader);
+    Object result = m.invoke(Runtime.getRuntime(), fileName, bootClassLoader);
     if (result != null) {
       throw new IllegalStateException(result.toString());
     }