Support enable/disable dns forwarding of dnsmasq

Bugs: 128782815
Test: built, flashed, booted
      cd systen/netd && atest

Change-Id: Id72341885d828e30296f20590c64ff614df63cee
diff --git a/server/NetdNativeService.h b/server/NetdNativeService.h
index 68c9886..8f9c40f 100644
--- a/server/NetdNativeService.h
+++ b/server/NetdNativeService.h
@@ -121,6 +121,8 @@
     binder::Status tetherGetStats(
             std::vector<android::net::TetherStatsParcel>* tetherStatsVec) override;
     binder::Status tetherStart(const std::vector<std::string>& dhcpRanges) override;
+    binder::Status tetherStartWithConfiguration(
+            bool usingLegacyDnsProxy, const std::vector<std::string>& dhcpRanges) override;
     binder::Status tetherStop() override;
     binder::Status tetherIsEnabled(bool* enabled) override;
     binder::Status tetherInterfaceAdd(const std::string& ifName) override;