Merge branch 'stable-3.9' into stable-3.10

* stable-3.9:
  Clarify constraints of project deletions
  Introduce projectVersion cache
  Rename getPathFromDynamoDB to getItemFromDynamoDB
  Handle project deletion
  Verify formatting using GJF 1.7

Change-Id: I78375de50478505a21369ed6faf7a80819e48520