Remove almost-all android::Singleton users

Bug: 25426213
Change-Id: I88e6206e8915cce95c3a8a8a82a4bb8fbf668141
diff --git a/libs/hwui/PathCache.cpp b/libs/hwui/PathCache.cpp
index 4031f2e1..fd9ab18 100644
--- a/libs/hwui/PathCache.cpp
+++ b/libs/hwui/PathCache.cpp
@@ -30,6 +30,8 @@
 #include "thread/Signal.h"
 #include "thread/TaskProcessor.h"
 
+#include <cutils/properties.h>
+
 namespace android {
 namespace uirenderer {