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

src/gpu/batches/GrAAStrokeRectBatch.cpp

Index: src/gpu/batches/GrAAStrokeRectBatch.cpp
diff --git a/src/gpu/batches/GrAAStrokeRectBatch.cpp b/src/gpu/batches/GrAAStrokeRectBatch.cpp
index 8cb1c2441cd82d2bc7be323916bbc8ce2179e87e..43b950c5bc3308b5c4e375391c1f9e99e3264d95 100644
--- a/src/gpu/batches/GrAAStrokeRectBatch.cpp
+++ b/src/gpu/batches/GrAAStrokeRectBatch.cpp
@@ -193,7 +193,7 @@ void AAStrokeRectBatch::onPrepareDraws(Target* target) const {
         return;
     }
 
-    target->initDraw(gp, this->pipeline());
+    target->initDraw(gp, kTriangles_GrPrimitiveType);
 
     size_t vertexStride = gp->getVertexStride();
 
@@ -209,9 +209,8 @@ void AAStrokeRectBatch::onPrepareDraws(Target* target) const {
     const SkAutoTUnref<const GrIndexBuffer> indexBuffer(
         GetIndexBuffer(target->resourceProvider(), this->miterStroke()));
     InstancedHelper helper;
-    void* vertices = helper.init(target, kTriangles_GrPrimitiveType, vertexStride,
-                                 indexBuffer, verticesPerInstance,  indicesPerInstance,
-                                 instanceCount);
+    void* vertices = helper.init(target, vertexStride, indexBuffer, verticesPerInstance,
+                                 indicesPerInstance, instanceCount);
     if (!vertices || !indexBuffer) {
          SkDebugf("Could not allocate vertices\n");
          return;