Take metered information from setResolverConfiguration

1. Uses dnsresolver_aidl_interface_lateststable_version 12.
2. Get the 'metered' parameter from setResolverConfiguration and keep it
   in NetConfig of each network.
3. Add resolv_is_metered_network() for DnsProxyListener.

Bug: 288340533
Test: atest resolv_integration_test resolv_unit_test
Change-Id: I390199b93a9f5b3c0abc8f072d91153ef9fac32e