Merge "docs: Remove Advertising ID page and redirect to GMS reference docs" into mnc-io-docs
am: 9e823c7048

* commit '9e823c7048bce9373fd5ccf10003b2eb05175b2b':
  docs: Remove Advertising ID page and redirect to GMS reference docs

Change-Id: Ie5649d42ece35f36130abefd00c3a53d5252cd03