Wire-up colorMode="hdr"

Fow now it uses a fixed white point of 150nits
TBD if this is disabled or adjusted

Test: Demo app
Change-Id: Iac13597b3d7633fdef3feaf7ec1da0c27c87904c
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index c3c2286..a04738d 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -22,6 +22,7 @@
 #include "Lighting.h"
 #include "SwapBehavior.h"
 #include "hwui/Bitmap.h"
+#include "ColorMode.h"
 
 #include <SkRect.h>
 #include <utils/RefBase.h>
@@ -42,16 +43,6 @@
 
 enum class MakeCurrentResult { AlreadyCurrent, Failed, Succeeded };
 
-enum class ColorMode {
-    // SRGB means HWUI will produce buffer in SRGB color space.
-    SRGB,
-    // WideColorGamut means HWUI would support rendering scRGB non-linear into
-    // a signed buffer with enough range to support the wide color gamut of the
-    // display.
-    WideColorGamut,
-    // Hdr
-};
-
 class Frame;
 
 class IRenderPipeline {