tree 01eb17cb9a5282e7d488eefdf8468a68355c5915
parent f9403d92fa872a9f9f487540dc989df7b80db8b8
author Hyunyoung Song <hyunyoungs@google.com> 1508279986 -0700
committer Hyunyoung Song <hyunyoungs@google.com> 1508451302 -0700

Log time spent on different UI surfaces

- When swipe happens on worskpace, elapsed container ms is reset
- Fling DOWN is also logged so that we now know how much time was spent on
  all apps screen
- If screen off or power button trigger onPause, log this event.

Bug: 67745115
Change-Id: Ie3a0090c78195a4a028de9935131e9e034dcf48a