Cleanup needed to use WindowContext for Android
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2055693003

Review-Url: https://codereview.chromium.org/2055693003
diff --git a/tools/gpu/GrContextFactory.cpp b/tools/gpu/GrContextFactory.cpp
index 151bfd9..5b5f314 100644
--- a/tools/gpu/GrContextFactory.cpp
+++ b/tools/gpu/GrContextFactory.cpp
@@ -19,7 +19,7 @@
 #if SK_MESA
     #include "gl/mesa/GLTestContext_mesa.h"
 #endif
-#if SK_VULKAN
+#ifdef SK_VULKAN
 #include "vk/VkTestContext.h"
 #endif
 #include "gl/null/NullGLTestContext.h"