Modified 'glance-manage db_sync' operation to use
expand, migrate and contract operations.
Added test queens scripts for testing purpose only.
This patch removes use of "monolithic" upgrade scripts
and resolve the issue while upgrading from ocata to pike.
Co-Authored-By: Shilpa Devharakar <Shilpa.Devharakar@nttdata.com>
Closes-Bug: #1723001
Change-Id: I2653560d637a6696f936b49e87f16326fd601dfe
shilpa.devharakar