Enable temporarily disabled resolver tests on Q/R/S

5 tests rely on Netd firewallSetUidRule(), firewallEnableChildChain(),
and firewall<Add|Remove>UidInterfaceRules() were temporarily disabled in
aosp/1983986. Re-enable them on Q/R/S.

Test: atest resolv_integration_test on aosp, tm-dev
Bug: 227159929
Bug: 219434602
Change-Id: Ic7e777be647e48d7c776152344ae9cb830b5bd27