Defaults update for offline: maas

  - add missing maas definition
  - fix regexp for docker debmirror

Change-Id: I46de5ef447fb32f1dbb9317d80bc8b30c2cbbcd5
Prod-related: PROD-26662 (PROD:26662)
Prod-related: PROD-26549 (PROD:26549)
3 files changed