Support DHCP option 119(domain search list) in DHCP client.

Request DHCP option 119 domain search list option from DHCP server
only when it's a trusted WiFi network (i.e. DO/PO owner creates the
WiFi network) and overlay config_dhcp_client_domain_search_list is
enabled.

Add android.permission.MANAGE_USERS in the AndroidManifest to query
the packages per creatorUid.

Bug: 189865016
Test: atest NetworkStackIntegrationTests
Change-Id: I1c8ce91b3e8330bfdaaa5bed1b563b78341a5b3b
46 files changed