Detect HDR capability

gpu/config/gpu_info.h

Index: gpu/config/gpu_info.h
diff --git a/gpu/config/gpu_info.h b/gpu/config/gpu_info.h
index 8331c5820866b03a1c723a6f134c5acd79a4ad11..a72cca6885d243e4b31c59d2a63e9da8b2bda404 100644
--- a/gpu/config/gpu_info.h
+++ b/gpu/config/gpu_info.h
@@ -223,6 +223,9 @@ struct GPU_EXPORT GPUInfo {
   // True if the current set of outputs supports overlays.
   bool supports_overlays = false;
 
+  // True if the current set of outputs supports HDR.
+  bool hdr = false;
+
   // The state of whether the basic/context/DxDiagnostics info is collected and
   // if the collection fails or not.
   CollectInfoResult basic_info_state;