Migrate resolver related binder commands to libnetd_resolv binder

In order to decrease API between libnetd_resolv and netd,
migrate resolver related commands to libnetd_resolv.
After migration done, netd's resolver related commands will be
removed in following commits.

Bug: 126141549
Test: N/A.
      Note that this commit will cause build break,
      it must be grouped with following clean-up commits.

Change-Id: Id0c2e20ce6a87b5c01ae5bcb998381099889306e