Move imageformats to the d3d folder.

BUG=angle:681

Change-Id: I83f0e5aaca4aaa84e5868afcde4f27eba011d5f1
Reviewed-on: https://chromium-review.googlesource.com/238479
Reviewed-by: Brandon Jones <bajones@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/formatutils.cpp b/src/libANGLE/formatutils.cpp
index 8243399..c43cdf6 100644
--- a/src/libANGLE/formatutils.cpp
+++ b/src/libANGLE/formatutils.cpp
@@ -11,7 +11,7 @@
 #include "libANGLE/Context.h"
 #include "libANGLE/Framebuffer.h"
 #include "libANGLE/renderer/Renderer.h"
-#include "libANGLE/renderer/imageformats.h"
+#include "libANGLE/renderer/d3d/imageformats.h"
 #include "libANGLE/renderer/d3d/copyimage.h"
 
 namespace gl