Audio policy: anonymize Bluetooth MAC addresses take 3

Bluetooth address anonymization without calling into package manager
or permission manager.
The Bluetooth address returned is anonymized for all calls not originating
from system AIDs.

Bug: 285588444
Test: make

This reverts commit bf04dc50b1e25f3819f43ff8d7b204cec4c7bb7f.

Change-Id: I3c2b7901a85c6d9dae755cd63204b353781338d0
5 files changed