Add mi_row and mi_col into mbmi to facilitate rd_debug process

Change-Id: Ia69f13c47f2dd34fabd220652691049166a06a68

av1/decoder/decodeframe.c

@@ -442,6 +442,10 @@ static MB_MODE_INFO *set_offsets(AV1_COMMON *const cm, MACROBLOCKD *const xd,
   // TODO(slavarnway): Generate sb_type based on bwl and bhl, instead of
   // passing bsize from decode_partition().
   xd->mi[0]->mbmi.sb_type = bsize;
+#if CONFIG_RD_DEBUG
+  xd->mi[0]->mbmi.mi_row = mi_row;
+  xd->mi[0]->mbmi.mi_col = mi_col;
+#endif
   for (y = 0; y < y_mis; ++y)
     for (x = !y; x < x_mis; ++x) xd->mi[y * cm->mi_stride + x] = xd->mi[0];
 

av1/encoder/encodeframe.c

@@ -1634,6 +1634,10 @@ static void rd_pick_sb_modes(const AV1_COMP *const cpi, TileDataEnc *tile_data,
   set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize);
   mbmi = &xd->mi[0]->mbmi;
   mbmi->sb_type = bsize;
+#if CONFIG_RD_DEBUG
+  mbmi->mi_row = mi_row;
+  mbmi->mi_col = mi_col;
+#endif
 #if CONFIG_SUPERTX
   // We set tx_size here as skip blocks would otherwise not set it.
   // tx_size needs to be set at this point as supertx_enable in