Fix snippet part for Mainline Fast Pair API changes.

In ag/17397190, removed unused system apis.

Test: atest -v CtsNearbyMultiDevicesTestSuite
Bug: 204780849
Ignore-AOSP-First: nearby_not_in_aosp_yet
Change-Id: I36e2a30a43d53b4730b8f8c5ae7a75b2ad47ba9e
6 files changed