Change AOM_DEC_BORDER_IN_PIXELS back to 288.

AOM_DEC_BORDER_IN_PIXELS was reduced to 64 in
commit 2fd0077fe14aa1b6dbcd30f3acc95c5eba5c76bb:
https://aomedia-review.googlesource.com/c/aom/+/78001

It caused several oss-fuzz bugs. Change it back to the original value to
fix the oss-fuzz bugs.

BUG=oss-fuzz:12549
BUG=oss-fuzz:12550
BUG=oss-fuzz:12552
BUG=oss-fuzz:12554
BUG=oss-fuzz:12555
BUG=oss-fuzz:12560

Change-Id: Ifcb291d2a8b051a3a84e7df246e9b94170396246
diff --git a/aom_scale/yv12config.h b/aom_scale/yv12config.h
index bb0d564..6ce77a8 100644
--- a/aom_scale/yv12config.h
+++ b/aom_scale/yv12config.h
@@ -26,7 +26,7 @@
 #define AOM_INTERP_EXTEND 4
 #define AOM_BORDER_IN_PIXELS 288
 #define AOM_ENC_NO_SCALE_BORDER 160
-#define AOM_DEC_BORDER_IN_PIXELS 64
+#define AOM_DEC_BORDER_IN_PIXELS 288
 
 typedef struct yv12_buffer_config {
   union {