drm_hwcomposer: Implement getHdrCapabilities and getColorModes

Retrieve color and HDR information from the EDID.

Change-Id: I1aac27644d5c4fd5d5f295ca32b69ed69e94e0c6
Signed-off-by: Sasha McIntosh <sashamcintosh@google.com>
diff --git a/hwc2_device/HwcDisplay.h b/hwc2_device/HwcDisplay.h
index 24c7465..7522c8d 100644
--- a/hwc2_device/HwcDisplay.h
+++ b/hwc2_device/HwcDisplay.h
@@ -22,6 +22,8 @@
 #include <optional>
 #include <sstream>
 
+#include <ui/GraphicTypes.h>
+
 #include "HwcDisplayConfigs.h"
 #include "compositor/DisplayInfo.h"
 #include "compositor/FlatteningController.h"