Merge "add new redirects for migration of sdk/ and tools/ docs to studio/...

Merge "add new redirects for migration of sdk/ and tools/ docs to studio/ bug:28447530" into mnc-mr-docs am: cf4fe3c4 am: 395e6865 am: 9a26ce79 am: 886909f6
am: 18b44a90

* commit '18b44a90':
  add new redirects for migration of sdk/ and tools/ docs to studio/ bug:28447530

Change-Id: I6a93e5af769a2769ae240a9583a1d91adab08960