Activity.onStop(Bundle) does not exist

Since that method doesn't exist, the MediaFrameworkTest wake lock was
never released, which caused the test to be killed when the GC collected
the still active wake lock.

Change-Id: Iee2c0478470be987ade405a45abf42ca61b681ab

Author: marcone

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/MediaFrameworkTest.java

@@ -98,7 +98,9 @@ public void onCreate(Bundle icicle) {
         mWakeLock.acquire();
     }
 
-    public void onStop(Bundle icicle) {
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
         mWakeLock.release();
     }