Cherrypick: Create ScoredNetwork Badging API changes.

Defines an attribute bundles key to hold the badging curve, the
enums for badge values, and an API to retrieve a badge for a
specific RSSI.

OCL: ag/1727147
Bug: 33457699
Test: Unit tests
Change-Id: If9e8a60c4670b51c395fb501f55ddece8a72981e
Merged-In: If9e8a60c4670b51c395fb501f55ddece8a72981e