AV1 RT: Fix setting cb_offset

Hotfix to fix the broken build

Change-Id: I3d38098106f9d048efc1e48a8f5820860fd60755
diff --git a/av1/encoder/partition_search.c b/av1/encoder/partition_search.c
index a60309c..e3798d5 100644
--- a/av1/encoder/partition_search.c
+++ b/av1/encoder/partition_search.c
@@ -4017,7 +4017,7 @@
       // int rate_coeffs = 0;
       // encode_sb(cpi, td, tile_data, tp, mi_row, mi_col, DRY_RUN_COSTCOEFFS,
       //           bsize, pc_tree, &rate_coeffs);
-      x->cb_offset = 0;
+      set_cb_offsets(x->cb_offset, 0, 0);
       encode_sb(cpi, td, tile_data, tp, mi_row, mi_col, OUTPUT_ENABLED, bsize,
                 pc_tree, NULL);
     } else {