The portal shouldn't start on a database if there was a previous unsuccessful upgrade attempt

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: --Sprint 12/11, 6.1.0 CE GA1, 6.1.10 EE GA1, 6.2.0 CE M2
• Fix Version/s: 6.1.10 EE GA1, 6.1.20 EE GA2, 6.2.0 CE M2
• Component/s: None
• Labels:
  • QA-R
  • fixpack-candidate
• Branch Version/s:
  6.1.x
• Backported to Branch:
  Committed
• Added to Fix Pack:
  Added
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/4329

When the customers trying to upgrade a database and it fails for some reason, the next time the portal starts it will start the upgrade again, and possibly cause more inconsistency in the database.
The portal should stop immediately when a previous attempt has been made and it failed for some reason.