am f73b4f5e: am d87e0484: am 604ae4c7: am 552e5ce6: Merge "Doc change: Add note to use explicit intent when binding to billing service." into klp-modular-docs

* commit 'f73b4f5e88a9ba733626d1cfd74249c58e325a84':
  Doc change: Add note to use explicit intent when binding to billing service.