Work on hiding filter-quality

SkPaintPriv methods are just an internal stopgap

Change-Id: Ibe6e37c5871068d8cd67dc0948961444dfd2b62a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/347041
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SampleShip.cpp b/samplecode/SampleShip.cpp
index 25853b5..221bbf0 100644
--- a/samplecode/SampleShip.cpp
+++ b/samplecode/SampleShip.cpp
@@ -10,6 +10,7 @@
 #include "include/core/SkRSXform.h"
 #include "include/core/SkSurface.h"
 #include "samplecode/Sample.h"
+#include "src/core/SkPaintPriv.h"
 #include "tools/Resources.h"
 #include "tools/timer/Timer.h"
 
@@ -96,7 +97,7 @@
         }
 
         SkPaint paint;
-        paint.setFilterQuality(kLow_SkFilterQuality);
+        SkPaintPriv::SetFQ(&paint, kLow_SkFilterQuality);
         paint.setColor(SK_ColorWHITE);
 
         SkScalar anchorX = fAtlas->width()*0.5f;