ART: Fix run-tests for emulator

On a standard emulator, there is no sdcard emulation, so trying to
create a temp file in /sdcard will fail - it will try to create in
the root file system, which is read-only.

Change-Id: If7d1ad82db156177a5be58c2f79ed730cf7ab6b9
diff --git a/test/802-deoptimization/src/DeoptimizationController.java b/test/802-deoptimization/src/DeoptimizationController.java
index c031c07..c926669 100644
--- a/test/802-deoptimization/src/DeoptimizationController.java
+++ b/test/802-deoptimization/src/DeoptimizationController.java
@@ -22,15 +22,23 @@
  * Controls deoptimization using dalvik.system.VMDebug class.
  */
 public class DeoptimizationController {
-  public static void startDeoptomization() {
+  private static File createTempFile() throws Exception {
     try {
-      File tempFile;
+      return  File.createTempFile("test", ".trace");
+    } catch (IOException e) {
+      System.setProperty("java.io.tmpdir", "/data/local/tmp");
       try {
-        tempFile = File.createTempFile("test", ".trace");
-      } catch (IOException e) {
+        return File.createTempFile("test", ".trace");
+      } catch (IOException e2) {
         System.setProperty("java.io.tmpdir", "/sdcard");
-        tempFile = File.createTempFile("test", ".trace");
+        return File.createTempFile("test", ".trace");
       }
+    }
+  }
+
+  public static void startDeoptimization() {
+    try {
+      File tempFile = createTempFile();
       tempFile.deleteOnExit();
       String tempFileName = tempFile.getPath();
 
@@ -43,7 +51,7 @@
     }
   }
 
-  public static void stopDeoptomization() {
+  public static void stopDeoptimization() {
     try {
       VMDebug.stopMethodTracing();
       if (VMDebug.getMethodTracingMode() != 0) {