use SkBlendMode

skbug.com/5814

Test: compile only
Change-Id: Ibbaff43df1117b2ca77fd8f917f03d88cc476330
(cherry picked from commit 26edbcba8a2ed4cb300e7f87e679e3b73cec2772)
diff --git a/libs/hwui/SkiaCanvas.cpp b/libs/hwui/SkiaCanvas.cpp
index b6ac48f..7c97e77 100644
--- a/libs/hwui/SkiaCanvas.cpp
+++ b/libs/hwui/SkiaCanvas.cpp
@@ -546,7 +546,7 @@
 #endif
     const int ptCount = vertexCount >> 1;
     mCanvas->drawVertices(vertexMode, ptCount, (SkPoint*)verts, (SkPoint*)texs,
-                          (SkColor*)colors, NULL, indices, indexCount, paint);
+                          (SkColor*)colors, indices, indexCount, paint);
 }
 
 // ----------------------------------------------------------------------------
@@ -670,7 +670,7 @@
     tmpPaint.setShader(image->makeShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode));
 
     mCanvas->drawVertices(SkCanvas::kTriangles_VertexMode, ptCount, (SkPoint*)vertices,
-                         texs, (const SkColor*)colors, NULL, indices,
+                         texs, (const SkColor*)colors, indices,
                          indexCount, tmpPaint);
 }