am 4645edea: am 25e1900b: am e8ae214c: am f4011173: am 31573d45: Merge "docs: Added link to in-app billing testing API guide and removed misleading statement. Bug: 9436754" into klp-docs

* commit '4645edeae0eec727909bcfe1ff7562ca4a7d1c80':
  docs: Added link to in-app billing testing API guide and removed misleading statement. Bug: 9436754