[WIFI] Add exemptions to allow DO/PO/Carrier apps to obtain randomized MAC address

The randomized MAC address is not available to apps (exceptions are
for other parts of the stack and Settings). Add exemptions for DO,
PO, and Carrier apps (Carrier apps only for configs which they
created).

Bug: 112205095
Test: atest com.android.server.wifi
Change-Id: I6cc0cf59a2134963bd1003769bf0eba26a0bf344
11 files changed