add redirect for Espresso Test Recorder doc that will soon be on TAC site. am: 8f60544180 am: e1bd7e15c5
am: 5d3ca78d3f

* commit '5d3ca78d3f561e98ae67cf97caa58a4e9e2ed5cd':
  add redirect for Espresso Test Recorder doc that will soon be on TAC site.

Change-Id: I339dffae3b9532699c558d406b03a32dabae6517