Use utility methods to calculate channel frequencies

This commit removes some use of explicit numbers to calculate channel
frequencies. Instead it uses the utility methods provided by ScanResult.

Bug: 153896822
Test: atest FrameworksWifiTests
Change-Id: I356fc9d0eca4e242ab740ce294f62942da2c3a48
1 file changed
tree: 8e4a51aec047ef183f54b90db51c371ee69e0faf
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg