ClienModeManager: Use bssid in startRoamToNetwork

Cosmetic cleanup since
i) startRoamToNetwork is inconsistent with startConnectToNetwork
ii) Only BSSID field in ScanResult was anyway being used.

Bug: 169413079
Test: atest com.android.server.wifi
Change-Id: Id62856e9a782c749f4a04d69092e0fe818136503
7 files changed
tree: 7676a5de2cf727bd97b5bc76fa3223b185bb555e
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg