Update the condition when COPY_BLOCK is chosen.

The change is just to keep the condition the same with VP8.

Change-Id: I9662b40996126605945dd853c0cbe8916c1ce578

vp9/encoder/vp9_denoiser.c

@@ -130,7 +130,8 @@ static VP9_DENOISER_DECISION denoiser_filter(const uint8_t *sig, int sig_stride,
   // Otherwise, we try to dampen the filter if the delta is not too high.
   delta = ((abs(total_adj) - total_adj_strong_thresh(bs, increase_denoising))
            >> 8) + 1;
-  if (delta > delta_thresh(bs, increase_denoising)) {
+
+  if (delta >= delta_thresh(bs, increase_denoising)) {
     return COPY_BLOCK;
   }