Address API review feedback

"Can you use a Service instead of having a non-service Base class?".

Bug: 218682005
Test: existing CTS/UNIT test
Change-Id: I1c9bdd3886255a2b184623cba5cb4af82e2167b2
3 files changed
tree: b2e181b1b82e03ae05cdf09d34ea8a0e1c80f22c
  1. nearby/