Refactor Fast Pair seeker side snippet.

Test: atest -v CtsSeekerDiscoverProviderTest
BUG: 216079944
Change-Id: I25886f76b9e9323100cb75152a39c7263cd7d136
5 files changed
tree: f373528bb50d268b84043b04db4ceb6e314b1b71
  1. nearby/