Don't use cutils/Atomic.h

Test: builds
Change-Id: I74485a5cbecb8710714f7bf3e54da61dd787838f
diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index 5603508..b4ccae7 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -28,7 +28,7 @@
 #include <androidfw/misc.h>
 #include <androidfw/ResourceTypes.h>
 #include <androidfw/ZipFileRO.h>
-#include <utils/Atomic.h>
+#include <cutils/atomic.h>
 #include <utils/Log.h>
 #include <utils/String8.h>
 #include <utils/String8.h>