Don't use cutils/Atomic.h

Test: builds
Change-Id: Idb7a51db4382e1012afe12df3c9fe807922b17fe
diff --git a/opengl/libagl/BufferObjectManager.cpp b/opengl/libagl/BufferObjectManager.cpp
index 6bf28ee..3d93c19 100644
--- a/opengl/libagl/BufferObjectManager.cpp
+++ b/opengl/libagl/BufferObjectManager.cpp
@@ -18,7 +18,7 @@
 #include <stddef.h>
 #include <sys/types.h>
 
-#include <utils/Atomic.h>
+#include <cutils/atomic.h>
 #include <utils/RefBase.h>
 #include <utils/KeyedVector.h>
 #include <utils/Errors.h>