Fix Tx Power in Advertising and RSSI in Scan Result

- includes tx power in the extended advertising header
- includes rssi, device name, and medium in PresenceDevice

Bug: 253960990
Test: atest NearbyUnitTests and end-to-end device tests
Ignore-AOSP-First: nearby_not_in_aosp_yet
Change-Id: Ib89e5cc9388cbb850ff5264e9c921dd632f5e3e7
2 files changed