Currently if an sqlite3.DatabaseError is thrown when caused by
a corrupted database schema, it get logged and the database is isn't
quarantined.
This patch adds the malformed database schema case to the list of
SQLite errors in possibly_quarantine that will trigger the db to be
quarantined.
Also it improved the possibly_quarantined unit test to test all existing
exceptions, and catches exceptions based on the real world except we use
in code.
Closes-Bug: #1646247
Change-Id: Id9452c88f8394a2a910c34c69361442543aa206d
3bde14b5cf