Bitmap.asImage()

... and lots and lots of IWYU

Change-Id: Ie5157dcdd2e6d29b95c71b39153278ab48ef4eb3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/346778
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/tests/VkDrawableTest.cpp b/tests/VkDrawableTest.cpp
index 885ac4a..662b322 100644
--- a/tests/VkDrawableTest.cpp
+++ b/tests/VkDrawableTest.cpp
@@ -13,6 +13,7 @@
 
 #include "include/gpu/vk/GrVkVulkan.h"
 
+#include "include/core/SkBitmap.h"
 #include "include/core/SkDrawable.h"
 #include "include/core/SkSurface.h"
 #include "include/gpu/GrBackendDrawableInfo.h"