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

Merge "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: 40b7598f" into nyc-mr1-dev-plus-aosp
am: 57478cdc

Change-Id: Iabc461d677624083ce0b9c30871090305129358f