Optimize blending state changes.

Change-Id: I7c22a8aecccb8b5abfcf7243f049a4ef3cf3979a
diff --git a/libs/hwui/Vertex.h b/libs/hwui/Vertex.h
index 208d2a8..ffd0633 100644
--- a/libs/hwui/Vertex.h
+++ b/libs/hwui/Vertex.h
@@ -41,6 +41,11 @@
         vertex[0].texture[0] = u;
         vertex[0].texture[1] = v;
     }
+
+    static inline void setUV(TextureVertex* vertex, float u, float v) {
+        vertex[0].texture[0] = u;
+        vertex[0].texture[1] = v;
+    }
 }; // struct TextureVertex
 
 }; // namespace uirenderer