Do not auto-reconnect to DBs if named locks where lost

Do not auto-reconnect to DBs if named locks where lost

Otherwise, transactions might be committed without cooperative
locks that were supposed to be present. This is similar to the
logic of not auto-reconnecting if a transaction was started to
avoid committing incomplete changes.

Change-Id: Ia7bc6b188bb5ee53a5bf7c5a30718bc7c4dd0ba9