VisionCleanup:
  - Minor cleanup and bug fixes.
  - Update sender parameters.
  - Enable Slower Threshold.
  - Cleanup from code review.

Change-Id: I5f6ea77b42d6520e120379a5efbd312c2467c811
diff --git a/y2019/vision/target_finder.h b/y2019/vision/target_finder.h
index bdf67f2..4583690 100644
--- a/y2019/vision/target_finder.h
+++ b/y2019/vision/target_finder.h
@@ -49,7 +49,7 @@
   IntermediateResult ProcessTargetToResult(const Target &target, bool verbose);
 
   std::vector<IntermediateResult> FilterResults(
-      const std::vector<IntermediateResult> &results);
+      const std::vector<IntermediateResult> &results, uint64_t print_rate);
 
   // Get the local overlay for debug if we are doing that.
   aos::vision::PixelLinesOverlay *GetOverlay() { return &overlay_; }
@@ -78,6 +78,10 @@
   IntrinsicParams intrinsics_;
 
   ExtrinsicParams default_extrinsics_;
+
+  // Counts for logging.
+  size_t frame_count_;
+  size_t valid_result_count_;
 };
 
 }  // namespace vision