Glop SkiaShader support

Change-Id: I894a0b62701bd02367ab970813e4c332147351a2
diff --git a/libs/hwui/utils/Macros.h b/libs/hwui/utils/Macros.h
index eae73a9..5ca9083 100644
--- a/libs/hwui/utils/Macros.h
+++ b/libs/hwui/utils/Macros.h
@@ -16,6 +16,8 @@
 #ifndef MACROS_H
 #define MACROS_H
 
+#include <type_traits>
+
 #define PREVENT_COPY_AND_ASSIGN(Type) \
     private: \
         Type(const Type&) = delete; \