am d5bf7fbd: Merge "docs: Fixed onDestroy() code snippet in IABv3 training class. Bug: 8289494" into jb-mr1.1-docs

* commit 'd5bf7fbd7accd00fca25b9f4ad3789ab064b38a8':
  docs: Fixed onDestroy() code snippet in IABv3 training class. Bug: 8289494