Rename SkConfig8888/SkPixelInfo to SkConvertPixels

BUG=skia:

Change-Id: I4f3c6370b3ef4247aa446716c7c154899925d089
Reviewed-on: https://skia-review.googlesource.com/8442
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/src/gpu/vk/GrVkGpu.cpp b/src/gpu/vk/GrVkGpu.cpp
index b6b8a5d..0f2f994 100644
--- a/src/gpu/vk/GrVkGpu.cpp
+++ b/src/gpu/vk/GrVkGpu.cpp
@@ -30,7 +30,7 @@
 #include "GrVkTransferBuffer.h"
 #include "GrVkVertexBuffer.h"
 
-#include "SkConfig8888.h"
+#include "SkConvertPixels.h"
 #include "SkMipMap.h"
 
 #include "vk/GrVkInterface.h"