Add wifi ScoringParams expid

Add an experiment identifier to wifi ScoringParams.

Also add a method to return a digest of the parameter values, which may
be useful for checking the accuracy of the expid label.

Bug: 79482323
Test: Unit tests added

Change-Id: Ic34c471b978576b734443fb93590809f45ae4c24
2 files changed
tree: 19971ae5960efaf6164b92c9c8529253db4eafb9
  1. service/
  2. PREUPLOAD.cfg