av1_encode: disable do_border_pad

This causes crashes in in Arm builds.

Bug: 527078408, 527242002

Change-Id: I6e4d8a7e096aff6908b30499bd063d97b6469a06
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 3842190..0abc20b 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -4558,7 +4558,9 @@
       cpi->oxcf.algo_cfg.enable_tpl_model && cpi->oxcf.q_cfg.aq_mode == NO_AQ &&
       !cpi->common.seg.enabled && !cpi->roi.enabled && !cpi->oxcf.sb_qp_sweep &&
       !cpi->use_ducky_encode && cpi->oxcf.algo_cfg.sharpness != 3) {
-    cpi->do_border_pad = true;
+    // TODO(issue 527242002, issue 527078408): set do_border_pad to true after
+    // fixing crashes in Arm builds.
+    cpi->do_border_pad = false;
   } else {
     cpi->do_border_pad = false;
   }