After commiting quota we should avoid certain reverts

After we commit the quota successfully we do not want to
set the database volume to destroyed or attempt further
rollback of the quota itself to reflect what the code
previously did.

Closes-Bug: #1230189

Change-Id: I115dc6736b8f2d0d7b2b6f29e9fd1904fd1c6eee
Merge "After commiting quota we should avoid certain reverts"