Fix snippet part for FastPairDataProviderService API change.

In ag/17241483, addressed API review feedback:
"Can you use a Service instead of having a non-service Base class?".

Bug: 218682005
Test: atest -v CtsSeekerDiscoverProviderTest
Change-Id: Ifaf3a86d022a10cadac30e9666907c4747dd6a97
2 files changed
tree: f95fbfbeeb6414e32e67c43fad56f85418fd28de
  1. nearby/