[NTLK] Einstein on Android survey, RSVP before 9/16

[Doug]

On the survey responses so far, Nexuses (Nexii?) and Notes account for
50% of the target devices. Of the 31 responses, 75% say they'll have
Einstein up and running.

> https://goo.gl/forms/9gvINbQ1t6PKzjDt1

Doug