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 'e8ae214c31b4c5c2e90538b9d0a5c258e32fafeb':
  docs: Added link to in-app billing testing API guide and removed misleading statement. Bug: 9436754