Ensure that db connection reconfiguration can change the db.

If the db connection had been marked read-only, then certain
operations performed during reconfiguration, such as setting the
locale, could fail.  So we need to make sure to clear the
read-only flag ahead of time.

Bug: 6296752
Change-Id: I98e19aff6386497b7fc321e04ca560fc1817a781
1 file changed