Restrict connectivty periodic scan

When the phone screen is on, the periodic scan interval is setup
in an exponential backoff fashion. Also, if the traffic is higher
than certain threshold, perform scan on certain channels only
instead of full band.

Bug: 28627603
Change-Id: I95b686d7835265d843edac7c005f661393ae5383
1 file changed
tree: 5f42f9151220c29e3ac3aa313cbc406ded995e06
  1. service/
  2. tests/