Merge "cherrypick from mnc-docs docs: Updated APK Signature Scheme v2 doc." into mnc-io-docs
am: 24c2969312

* commit '24c29693122dbc92ee8cf670fa6536c613f1b87d':
  cherrypick from mnc-docs docs: Updated APK Signature Scheme v2 doc.

Change-Id: I4c5f421bb826e750ab8e5117a4d410a95d25de91