SurfaceFactoryOzone: expose scanout supported GpuMemoryBufferAttribs

ui/ozone/platform/drm/common/drm_util.cc

Index: ui/ozone/platform/drm/common/drm_util.cc
diff --git a/ui/ozone/platform/drm/common/drm_util.cc b/ui/ozone/platform/drm/common/drm_util.cc
index 59944118ae6d2b7ae45c4049fda153ca3a770bea..628ff627cccd2fe9b4fae70e4e17ef4e131b955a 100644
--- a/ui/ozone/platform/drm/common/drm_util.cc
+++ b/ui/ozone/platform/drm/common/drm_util.cc
@@ -411,7 +411,8 @@ gfx::BufferFormat GetBufferFormatFromFourCCFormat(int format) {
     case DRM_FORMAT_YVU420:
       return gfx::BufferFormat::YVU_420;
     default:
-      NOTREACHED();
+      // TODO(varad): need more gfx::BufferFormat tokens to handle the
+      // fourcc <-> gfx::BufferFormat namespace conversions accurately
       return gfx::BufferFormat::BGRA_8888;
   }
 }