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/pipeline/skia/SkiaPipeline.h b/libs/hwui/pipeline/skia/SkiaPipeline.h
index 8341164..100bfb6 100644
--- a/libs/hwui/pipeline/skia/SkiaPipeline.h
+++ b/libs/hwui/pipeline/skia/SkiaPipeline.h
@@ -50,7 +50,7 @@
     bool createOrUpdateLayer(RenderNode* node, const DamageAccumulator& damageAccumulator,
                              ErrorHandler* errorHandler) override;
 
-    void setSurfaceColorProperties(renderthread::ColorMode colorMode) override;
+    void setSurfaceColorProperties(ColorMode colorMode) override;
     SkColorType getSurfaceColorType() const override { return mSurfaceColorType; }
     sk_sp<SkColorSpace> getSurfaceColorSpace() override { return mSurfaceColorSpace; }
 
@@ -76,7 +76,7 @@
 
     renderthread::RenderThread& mRenderThread;
 
-    renderthread::ColorMode mColorMode = renderthread::ColorMode::SRGB;
+    ColorMode mColorMode = ColorMode::Default;
     SkColorType mSurfaceColorType;
     sk_sp<SkColorSpace> mSurfaceColorSpace;