Adding access methods for local_net_access_map and
local_net_blocked_uid_map

Test: Manually tested this using dumpsys commands
Test: atest ConnectivityCoverageTests:android.net.connectivity.com.android.server.BpfNetMapsTest
Bug: 392855578

Change-Id: I61522f3282aa502f20641d3c2692a66638edf706
4 files changed