Avoid setting high contrast in every view draw

Test: high contrast text still works
Change-Id: I6674d1aca8dddf7eb9725a5346aed12ef1dbc195
diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index 47ae9e9..0fe4c77 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_HWUI_PROPERTIES_H
 #define ANDROID_HWUI_PROPERTIES_H
 
+#include <cutils/compiler.h>
 #include <cutils/properties.h>
 
 /**
@@ -237,6 +238,8 @@
     static RenderPipelineType getRenderPipelineType();
     static bool isSkiaEnabled();
 
+    ANDROID_API static bool enableHighContrastText;
+
     // Should be used only by test apps
     static bool waitForGpuCompletion;
     static bool forceDrawFrame;