Merge "docs: Remove Advertising ID page and redirect to GMS reference docs" into mnc-io-docs am: 9e823c7048 am: 1a045584d4 am: 68fb46153f
am: 67f2e2cc90

* commit '67f2e2cc908635307d824772aada7a6db42fe927':
  docs: Remove Advertising ID page and redirect to GMS reference docs

Change-Id: I204755f4797c768954b330b374ae3fabe5a97de2