gfxstream: Switch to using scanout path with native DRM images for Linux WSI

BUG=343234676
TEST=compile

Change-Id: Ibbdb41b078eda8aa27c70caee0d6d3a8e5fa0758
diff --git a/guest/vulkan_enc/ResourceTracker.h b/guest/vulkan_enc/ResourceTracker.h
index a93c369..6819ac2 100644
--- a/guest/vulkan_enc/ResourceTracker.h
+++ b/guest/vulkan_enc/ResourceTracker.h
@@ -781,7 +781,9 @@
 #ifdef VK_USE_PLATFORM_FUCHSIA
         bool isSysmemBackedMemory = false;
 #endif
-        bool isWsiImage = false;
+#ifdef LINUX_GUEST_BUILD
+        bool isDmaBufImage = false;
+#endif
     };
 
     struct VkBuffer_Info {