new downloads and notes for studio 2.1.1 security update am: 77f368fed9  -s ours am: 58b25d39a5
am: 2558617210

* commit '25586172107ca82f212e685c505e9f1a536ffa13':
  new downloads and notes for studio 2.1.1 security update

Change-Id: I7c0a70735fa144052c57817b0d91745ac92c5251