Disable zeromv_skip_based_on_source_sad for active_maps

This speed feature is not compatible with active_maps,
and is causing artifacts.

Change-Id: If841be537d012ccd0cfff2703d0bbd000373d313

av1/encoder/speed_features.c

diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 4bad112..56832c6 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1832,6 +1832,11 @@
   if (is_psnr_calc_enabled(cpi) && (cpi->oxcf.frm_dim_cfg.width != cm->width ||
                                     cpi->oxcf.frm_dim_cfg.height != cm->height))
     sf->rt_sf.use_rtc_tf = 0;
+
+  // This speed feature is causing artifacts with active_maps enabled, so
+  // disable for now.
+  if (cpi->active_map.enabled)
+    sf->rt_sf.set_zeromv_skip_based_on_source_sad = 0;
 }
 
 static void set_rt_speed_features_framesize_independent(AV1_COMP *cpi,