Change md5 used in test

A previous commit 8e1d0f7086d241c5bcdc84b66131ba553f829de4 changed
the bitstreams due to change of scale of transforms. While the
change is expected, md5 for "decode_to_md5_av1" test needs to be
updated to reflected the change to avoid nightly test failures.

Change-Id: I57e0318c081c7c0609fe7d5ee97543239ce162d0
1 file changed