am 1cbf9482: am 43d9b0ae: am f80372db: Merge "docs: update device dashboard; add historical chart" into froyo

Merge commit '1cbf9482d7d32bac60741d6e512f3ac921f3a6aa'

* commit '1cbf9482d7d32bac60741d6e512f3ac921f3a6aa':
  docs: update device dashboard; add historical chart