Use WifiAnnotations instead of ScanResult for annotations

This commit uses WifiAnnotations.WifiStandard instead of
ScanResult.WifiStandard

Bug: 149420144
Test: Builds correctly (no new functionality in commit)
Change-Id: I6fcbd041994b92035680fdd896845aa496f06180
5 files changed
tree: 57df6d22eb5e8338c3b71f5e24b05542f7935f93
  1. apex/
  2. service/
  3. PREUPLOAD.cfg