Merge "update metadata for the studio landing page cards (for 2.2 content)...

Merge "update metadata for the studio landing page cards (for 2.2 content) edit landing page banner ("a dozen" --> "20")" into nyc-dev am: a1c28fa8 am: 5f67892f am: 9f5f8b93
am: 4661b59c

Change-Id: Ib82ba111f3daf7e84b277ef348d9acedb5d3a67b