Merge changes I2d2b7df3,Ia2b223c1,I9d231ecc,I6dd38d10

* changes:
  [WifiCandidates] Introduce an add method that does not use scanDetail
  [WifiCandidates] Do not retain config in CandidateImpl
  [WifiCandidates] Remove the nominator score
  [WifiCandidates] Remove scanDetails from Candidates interface
tree: b4273f3841c652ded14612efb8a1098c38d8040b
  1. apex/
  2. service/
  3. PREUPLOAD.cfg