Add non debug version of libarttest

We now pass the libarttest as an argument to the java program. This
enables using libarttestd by default and libarttest when -O is
specified.

Change-Id: I0de1ae01e2bb5f7b9c7fd7487b6cb55051f60657
diff --git a/test/004-ThreadStress/src/Main.java b/test/004-ThreadStress/src/Main.java
index d5b389f..4eeae2f 100644
--- a/test/004-ThreadStress/src/Main.java
+++ b/test/004-ThreadStress/src/Main.java
@@ -310,7 +310,8 @@
         boolean dumpMap = false;
 
         if (args != null) {
-            for (int i = 0; i < args.length; i++) {
+            // args[0] is libarttest
+            for (int i = 1; i < args.length; i++) {
                 if (args[i].equals("-n")) {
                     i++;
                     numberOfThreads = Integer.parseInt(args[i]);