High movement - trigger delayed partial scan

Add delayed partial scan to check if the device is moving in respect to APs.
Also enables the feature by default.

Bug: 141446972
Test: atest com.android.server.wifi
Test: manually verified log
Change-Id: Ie219648c2fb07d466f117a0b77a538970294c725
3 files changed
tree: ba8eecf44c28afcec200e1bcfbe258ba6851dee7
  1. apex/
  2. service/
  3. PREUPLOAD.cfg