We need to bump the DD version number to keep it in sync with the server
version where the DD version first was publicly available.

This patch also fixes two tests that were incorrectly skipped due to
secure_file_priv preventing the usage of load_file(), and re-records
their result files.

Additionally, some tests that were disabled due to bug#28146052 are
enabled now that WL#12413 has been pushed.

Change-Id: I0839264229fd13474293e2a9d42c375b0867e352