Fix 071-dexfile by having run-test use a unique directory

If userdata.img is flashed, the /data/art-test is owned by the system
user.  However, 071 requires the directory it runs in to have be owned
by the running user (root in eng builds).

Change-Id: I5230908291fd2ff6c5ebda98cfc3ef4c7ea7482e
diff --git a/test/071-dexfile/src/Main.java b/test/071-dexfile/src/Main.java
index 0845e87..1fc84e5 100644
--- a/test/071-dexfile/src/Main.java
+++ b/test/071-dexfile/src/Main.java
@@ -22,8 +22,8 @@
  * DexFile tests (Dalvik-specific).
  */
 public class Main {
-    private static final String CLASS_PATH = "/data/art-test/071-dexfile-ex.jar";
-    private static final String ODEX_DIR = "/data/art-test";
+    private static final String CLASS_PATH = "/data/run-test/071-dexfile-ex.jar";
+    private static final String ODEX_DIR = "/data/run-test";
     //private static final String ODEX_DIR = ".";
     private static final String ODEX_ALT = "/tmp";
     private static final String LIB_DIR = "/nowhere/nothing/";