decode_to_md5: Update hash.

Change-Id: I40b7672ed98f2d1a49a7a9aabfd313ba64b3e8fb

test/decode_to_md5.sh

@@ -57,9 +57,11 @@ decode_to_md5() {
 
 decode_to_md5_av1() {
   # expected MD5 sum for the last frame.
-  local expected_md5="f48cbb1efe36e37243df8e0d76a65678"
+  local expected_md5="85ccfd374240849e6849f917cf742c9e"
   local file="${AV1_IVF_FILE}"
 
+  # TODO(urvang): Check in the encoded file (like libvpx does) to avoid
+  # encoding every time.
   if [ "$(av1_decode_available)" = "yes" ]; then
     if [ ! -e "${AV1_IVF_FILE}" ]; then
       file="${AOM_TEST_OUTPUT_DIR}/test_encode.ivf"