Add an app.properties check for the release branches

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.0.X, 7.1.X, Master
• Component/s: Dev Tools > Portal Build Env
• Labels: None
• Branch Version/s:
  7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/64416

We want to make sure that whenever someone creates a new module and Liferay-Releng-Bundle is set to true, a test fails and lets us know that app.properties is needed in modules/.releng/{appName}