rtc: Disable top_right_sync_wait_in_mis

Disabled the speed feature top_right_sync_wait_in_mis and
reverted a change in direct_partition_merging() to fix
encode/decode mismatch on the RTC 1080P set.

Change-Id: I580c608a67a6f08880d46dc51fcabd87c78d65cb
diff --git a/av1/encoder/partition_search.c b/av1/encoder/partition_search.c
index d704bb4..af7229a 100644
--- a/av1/encoder/partition_search.c
+++ b/av1/encoder/partition_search.c
@@ -2597,15 +2597,7 @@
     // Update mi for this partition block.
     for (int y = 0; y < bs; y++) {
       for (int x_idx = 0; x_idx < bs; x_idx++) {
-        this_mi[x_idx + y * mi_params->mi_stride]->bsize = this_mi[0]->bsize;
-        this_mi[x_idx + y * mi_params->mi_stride]->partition =
-            this_mi[0]->partition;
-        this_mi[x_idx + y * mi_params->mi_stride]->skip_txfm =
-            this_mi[0]->skip_txfm;
-        this_mi[x_idx + y * mi_params->mi_stride]->tx_size =
-            this_mi[0]->tx_size;
-        memcpy(this_mi[x_idx + y * mi_params->mi_stride]->inter_tx_size,
-               this_mi[0]->inter_tx_size, sizeof(this_mi[0]->inter_tx_size));
+        this_mi[x_idx + y * mi_params->mi_stride] = this_mi[0];
       }
     }
   }
diff --git a/av1/encoder/speed_features.c b/av1/encoder/speed_features.c
index 820e6b5..47e6cf6 100644
--- a/av1/encoder/speed_features.c
+++ b/av1/encoder/speed_features.c
@@ -1727,10 +1727,9 @@
     // For multi-thread use case with row_mt enabled, enable top right
     // dependency wait of threads at mi level.
     if ((cpi->oxcf.row_mt == 1) && (cpi->mt_info.num_workers > 1)) {
-      sf->rt_sf.top_right_sync_wait_in_mis =
-          frame_is_intra_only(cm) ? 0
-                                  : (!cpi->oxcf.tool_cfg.enable_global_motion &&
-                                     cpi->sf.rt_sf.use_nonrd_pick_mode);
+      // TODO(Deepa): Disabled this feature due to enc/dec mismatch
+      // seen on the RTC 1080P set. Need to re-enable it after the fix.
+      sf->rt_sf.top_right_sync_wait_in_mis = false;
     }
   }
   if (speed >= 10) {