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

* commit 'a8dc65dc':
  Delete everything from /sdk directory that is now in /studio. Redirects are in https://critique.corp.google.com/#review/121297240

Change-Id: I82c336d0a68ca42258f66de746228716bb809775