Firewall-related commands porting

Test: built, flashed, booted
      system/netd/tests/runtests.sh passes

Change-Id: I0fcf6ac4e5d96cbf63d6752bee7202cdef940e82
diff --git a/server/BandwidthController.cpp b/server/BandwidthController.cpp
index 5669a96..6a40ba2 100644
--- a/server/BandwidthController.cpp
+++ b/server/BandwidthController.cpp
@@ -72,9 +72,10 @@
 using android::base::Join;
 using android::base::StringAppendF;
 using android::base::StringPrintf;
+using android::net::FirewallController;
 using android::net::gCtls;
-using android::netdutils::StatusOr;
 using android::netdutils::Status;
+using android::netdutils::StatusOr;
 using android::netdutils::UniqueFile;
 
 namespace {