Merge "Merge "Delete everything from /sdk directory that is now in /studio....

Merge "Merge "Delete everything from /sdk directory that is now in /studio. Redirects are in https://critique.corp.google.com/#review/121297240" into mnc-mr-docs am: 84bf8073 am: 34561c73 am: c1a9241a" into nyc-dev am: a8dc65dc am: 19109d38
am: ca2820a9

* commit 'ca2820a9':
  Delete everything from /sdk directory that is now in /studio. Redirects are in https://critique.corp.google.com/#review/121297240

Change-Id: I6add4fda93db7565485b4dda68c947414a91c4c0