save valid_len

old-commit-hash: 4e7fe3a9ec

cereal

@@ -1 +1 @@
-Subproject commit 46728e7e3b47cf73586e33540dc0b65317e308ce
+Subproject commit 7dcbf6c41fb30b85dbb597fe771dc9f5e7f29161

selfdrive/modeld/models/driving.cc

@@ -200,6 +200,7 @@ void fill_path(cereal::ModelData::PathData::Builder path, const float * data, bo
   path.setPoly(poly);
   path.setProb(prob);
   path.setStd(std);
+  path.setValidLen(valid_len);
 }
 
 void fill_lead(cereal::ModelData::LeadData::Builder lead, const float * data, int mdn_max_idx, int t_offset) {
@@ -293,7 +294,7 @@ void model_publish(PubMaster &pm, uint32_t frame_id,
   fill_meta(meta, net_outputs.meta);
 
   pm.send("model", msg);
-  }
+}
 
 void posenet_publish(PubMaster &pm, uint32_t frame_id,
                    const ModelDataRaw &net_outputs, uint64_t timestamp_eof) {