Add om_disk_size_in_db var to wipe-env azure
Add om_disk_size_in_db var to wipe-env azure

[#152415340]

mcb/pcf-pipelines,rahulkj/pcf-pipelines,pivotal-cf/pcf-pipelines,cah-josephgeorge/pcf-pipelines,sandyg1/pcf-pipelines,pvsone/pcf-pipelines,mcb/pcf-pipelines,rahulkj/pcf-pipelines,mcb/pcf-pipelines,sandyg1/pcf-pipelines,pvsone/pcf-pipelines,rahulkj/pcf-pipelines,pvsone/pcf-pipelines,pivotal-cf/pcf-pipelines,rahulkj/pcf-pipelines,sandyg1/pcf-pipelines,pivotal-cf/pcf-pipelines,pivotal-cf/pcf-pipelines,sandyg1/pcf-pipelines,cah-josephgeorge/pcf-pipelines,cah-josephgeorge/pcf-pipelines