Remove almost-all android::Singleton users

Bug: 25426213
Change-Id: I88e6206e8915cce95c3a8a8a82a4bb8fbf668141
diff --git a/libs/hwui/RenderBufferCache.cpp b/libs/hwui/RenderBufferCache.cpp
index 8beed25..11d7a6a 100644
--- a/libs/hwui/RenderBufferCache.cpp
+++ b/libs/hwui/RenderBufferCache.cpp
@@ -14,12 +14,14 @@
  * limitations under the License.
  */
 
-#include <utils/Log.h>
-
 #include "Debug.h"
 #include "Properties.h"
 #include "RenderBufferCache.h"
 
+#include <utils/Log.h>
+
+#include <cstdlib>
+
 namespace android {
 namespace uirenderer {