Remove ExternalScoreEvaluator.

Also remove WifiNetworkScoreCache usage from the wifi framework and
instead maintain a cache of requested WifiKeys.

Bug: 33694078, 19948759
Test: ./runtests.sh
Change-Id: Ib4ba372f0fd4802d111a4f1ab609a26a4f34c399
Merged-In: Ib4ba372f0fd4802d111a4f1ab609a26a4f34c399
5 files changed
tree: 4635386212d6c8da31e07bcbcc4c570781b93c96
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg