[WifiScanningServiceImpl] Update language to comply with Android’s inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

Correct a few typos as well

Bug: 161896447
Test: atest com.android.server.wifi
Change-Id: Ia594d9b0c9252488ed4c01aff107f4f4f54e66db
1 file changed
tree: 1faa768dee7f65973af8708f52bdc0e0a9e9c3a1
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg