Move reduceOpsTaskSplitting property to Properties.h

Bug: 183612348
Change-Id: I26ebb6898e88715b9bd5e6f89f934d843efd49c5
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index db7642d..adf4aee 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -20,6 +20,7 @@
 #include "CanvasContext.h"
 #include "DeviceInfo.h"
 #include "EglManager.h"
+#include "Properties.h"
 #include "Readback.h"
 #include "RenderProxy.h"
 #include "VulkanManager.h"