Merge "docs: Remove Advertising ID page and redirect to GMS reference docs" into mnc-io-docs am: 9e823c7048 am: 1a045584d4 am: 68fb46153f
am: f075d977a3

* commit 'f075d977a38af54f8b1890f40b2aa253923d4a89':
  docs: Remove Advertising ID page and redirect to GMS reference docs

Change-Id: Ie009ea200c841fb38aa6b738aa12cb9ab7d84374