[WifiCandidates] Introduce an add method that does not use scanDetail

This variant of add is useful for adding the current network, where we
don't have a scanDetail, but do have the necessary pieces.

Bug: 147751334
Test: atest com.android.server.wifi
Change-Id: I2d2b7df307a96eb242713ed2296befc2aae2396d
2 files changed
tree: 836467f5b2fa26f917223ab29d95784c0118fc48
  1. apex/
  2. service/
  3. PREUPLOAD.cfg