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: e9dee666

* commit 'e9dee666':
  add new redirects for migration of sdk/ and tools/ docs to studio/ bug:28447530

Change-Id: I070ce35cd6a5e4891d11f40b781d866c9b522a69