update the older redirects based on studio restructure (https://critique.corp.google.com/#review/121836018) am: f2f8dff6eb am: d20d4c6cf3
am: 0d1bce5e5d

* commit '0d1bce5e5d3a0521466e8d12de792024325d8d91':
  update the older redirects based on studio restructure (https://critique.corp.google.com/#review/121836018)

Change-Id: Iae2be6e4c6428e46ff1317d35eb3e12f97c6a813