Enable temporal filtering for keyframes in single pass

cpu_used   Instruction Count     Quality Impact
              increase
   1           1.05%                -3.40%

STATS_CHANGED

Change-Id: Ie65fd521f45c5208e0120e87638cbc17e0938ba3
diff --git a/av1/encoder/encode_strategy.c b/av1/encoder/encode_strategy.c
index 5d5c89e..dba5773 100644
--- a/av1/encoder/encode_strategy.c
+++ b/av1/encoder/encode_strategy.c
@@ -932,7 +932,7 @@
                                  frame_input->source->y_stride, EDGE_THRESHOLD);
   }
   const int apply_filtering =
-      oxcf->pass == 2 && frame_params->frame_type == KEY_FRAME &&
+      oxcf->pass != 1 && frame_params->frame_type == KEY_FRAME &&
       !frame_params->show_existing_frame &&
       cpi->rc.frames_to_key > NUM_KEY_FRAME_DENOISING && noise_level > 0 &&
       !is_lossless_requested(oxcf) && oxcf->arnr_max_frames > 0;