Add a BufferItem parameter to onFrameAvailable

Passes the BufferItem for the queued buffer to the onFrameAvailable
callback so the consumer can track the BufferQueue's contents.

Bug: 18111837
Change-Id: If9d07229c9b586c668e5f99074e9b63b0468feb0
diff --git a/tests/camera2/camera2_utils.h b/tests/camera2/camera2_utils.h
index 0cdf4a3..c1d1e72 100644
--- a/tests/camera2/camera2_utils.h
+++ b/tests/camera2/camera2_utils.h
@@ -231,7 +231,7 @@
      */
     status_t waitForFrame(nsecs_t timeout);
 
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     int mPendingFrames;
     Mutex mMutex;