In MTS, test infra installs only the DNS resolver module without
installing tethering module. The test utils should not assume the BPF
maps defined in tethering will be in the device.
Bug: 309164580
Test: atest
resolv_integration_test:ResolverTest#BlockDnsQueryWithUidRule
Change-Id: I2c7349a11c9b413c129c93d236c8280588097cf7
Resolv_integration_test needs the function to toggle Data Saver settings
in BPF map.
Bug: 288340533
Test: atest resolv_integration_test
Change-Id: I1725d3c8c6fc641b855c935d7289a99f78dd5933
The utility currently contains a firewall class that is used by DNS
resolver tests to block DNS packets.
Bug: 227159929
Test: atest resolv_integration_test
Change-Id: I5c5bc0b263a677f57cd63f002057ff0812f15e64