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
am: 14a48bbe

* commit '14a48bbe':
  add new redirects for migration of sdk/ and tools/ docs to studio/ bug:28447530

Change-Id: I23f67faae957374ed5b5bd270e26dc4e2d6bc4c7