ui/display: disable HDR on ARM CrOS temporarily

HDR on ChromeOS seems to be broken on ARM(see bug); this CL disables
it temporarily while we investigate it further.

Bug: b/168843009
Change-Id: I76ce22548333964ad3894ed80c7e12240e4f2ad4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2432606Reviewed-by: Jao-ke Chin-Lee <jchinlee@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Auto-Submit: Miguel Casas <mcasas@chromium.org>
Commit-Queue: Stéphane Marchesin <marcheu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810874}

ui/display/display_features.cc

@@ -4,13 +4,22 @@
 
 #include "ui/display/display_features.h"
 
+#include "build/build_config.h"
+
 namespace display {
 namespace features {
 
 #if defined(OS_CHROMEOS)
 // Enables using HDR transfer function if the monitor says it supports it.
-const base::Feature kUseHDRTransferFunction{"UseHDRTransferFunction",
-                                            base::FEATURE_ENABLED_BY_DEFAULT};
+const base::Feature kUseHDRTransferFunction {
+  "UseHDRTransferFunction",
+  // TODO(b/168843009): Temporarily disable on ARM while investigating.
+#if defined(ARCH_CPU_ARM_FAMILY)
+      base::FEATURE_DISABLED_BY_DEFAULT
+#else
+      base::FEATURE_ENABLED_BY_DEFAULT
+#endif
+};
 #endif
 
 // This features allows listing all display modes of external displays in the