Update how we send draws to gpu backend to reduce state setting.

src/gpu/vk/GrVkProgramBuilder.h

Index: src/gpu/vk/GrVkProgramBuilder.h
diff --git a/src/gpu/vk/GrVkProgramBuilder.h b/src/gpu/vk/GrVkProgramBuilder.h
index 83a7adfb534812bf5a7dca15195e79c38fe1a876..65fe54667c4908e2d30490a386d172e37a6ad4f0 100644
--- a/src/gpu/vk/GrVkProgramBuilder.h
+++ b/src/gpu/vk/GrVkProgramBuilder.h
@@ -20,6 +20,7 @@
 class GrVkGpu;
 class GrVkRenderPass;
 class GrVkProgram;
+class GrVkProgramDesc;
 
 class GrVkProgramBuilder : public GrGLSLProgramBuilder {
 public:
@@ -31,8 +32,10 @@ public:
     * @return true if generation was successful.
     */
     static GrVkProgram* CreateProgram(GrVkGpu*,
-                                      const DrawArgs&,
+                                      const GrPipeline&,
+                                      const GrPrimitiveProcessor&,
                                       GrPrimitiveType,
+                                      const GrVkProgramDesc&,
                                       const GrVkRenderPass& renderPass);
 
     const GrCaps* caps() const override;
@@ -43,11 +46,12 @@ public:
     void finalizeFragmentOutputColor(GrGLSLShaderVar& outputColor) override;
 
 private:
-    GrVkProgramBuilder(GrVkGpu*, const DrawArgs&);
+    GrVkProgramBuilder(GrVkGpu*,
+                       const GrPipeline&,
+                       const GrPrimitiveProcessor&,
+                       const GrVkProgramDesc&);
 
-    GrVkProgram* finalize(const DrawArgs& args,
-                          GrPrimitiveType primitiveType,
-                          const GrVkRenderPass& renderPass);
+    GrVkProgram* finalize(GrPrimitiveType primitiveType, const GrVkRenderPass& renderPass);
 
     static bool CreateVkShaderModule(const GrVkGpu* gpu,
                                      VkShaderStageFlagBits stage,
@@ -63,8 +67,6 @@ private:
     GrVkVaryingHandler        fVaryingHandler;
     GrVkUniformHandler        fUniformHandler;
 
-    SkTArray<UniformHandle>   fSamplerUniforms;
-
     typedef GrGLSLProgramBuilder INHERITED;
 };