am 8f886a60: StrictMode test app: fake a disk write & fake delay in the service.

Merge commit '8f886a60fcffa7cc0f3cf6812f31df0e42faeef8'

* commit '8f886a60fcffa7cc0f3cf6812f31df0e42faeef8':
  StrictMode test app: fake a disk write & fake delay in the service.