Refactor RenderState and remove unused functionality.

Test: hwui_unit_tests still pass
Change-Id: Ie943671535ab8c5da1bac05985e815e0cb842dc1
diff --git a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
index e586be1..e8bf492 100644
--- a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
@@ -21,6 +21,7 @@
 #include "SkiaPipeline.h"
 #include "SkiaProfileRenderer.h"
 #include "hwui/Bitmap.h"
+#include "private/hwui/DrawGlInfo.h"
 #include "renderstate/RenderState.h"
 #include "renderthread/EglManager.h"
 #include "renderthread/Frame.h"