Make Fast Pair test data provider configurable.

Test: Send antispoofkey_devicemeta JSON to verify initial pairing works, go/paste/6463933310304256
Test: atest -v CtsSeekerDiscoverProviderTest
Bug: 214015364
Change-Id: I6f8cee96a7ef89e6341931ff7d33c1bc685b8506
5 files changed
tree: 1deec1b826a65cc982ce039f7fa65c620c1d229e
  1. nearby/