Extension to screen scrape metadata out of commons

Initial commit.

Core dependencies:
* I77303d8e535fc1c42e14cfb853814e5c434a81ec
* Ifcae821a51f4207e7816e710d3b3857c7ed438b6 (merged)

Bug: 17503
Change-Id: I5e6bc45f9751641e16426231dabcc8277b86fee0