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

src/gpu/GrBatchFlushState.h

Index: src/gpu/GrBatchFlushState.h
diff --git a/src/gpu/GrBatchFlushState.h b/src/gpu/GrBatchFlushState.h
index 2008fa69ebfc44fd014943f5292ae9a01f4f324a..fc879daa07b8eea2dd4219cf875b16d41eac6af9 100644
--- a/src/gpu/GrBatchFlushState.h
+++ b/src/gpu/GrBatchFlushState.h
@@ -161,9 +161,10 @@ class GrVertexBatch::Target : public GrDrawBatch::Target {
 public:
     Target(GrBatchFlushState* state, GrVertexBatch* batch) : INHERITED(state, batch) {}
 
-    void initDraw(const GrPrimitiveProcessor* primProc, const GrPipeline* pipeline) {
+    void initDraw(const GrPrimitiveProcessor* primProc, GrPrimitiveType primitiveType) {
         GrVertexBatch::DrawArray* draws = this->vertexBatch()->fDrawArrays.addToTail();
         draws->fPrimitiveProcessor.reset(primProc);
+        draws->fPrimitiveType = primitiveType;
         this->state()->advanceToken();
     }