Rename struct __res_params to res_params

The double-underscore prefixes are a leftover from when this code lived
in bionic. Now we're slowly getting rid of them...

Also cleanup transitive includes a bit.

Test: atest resolv_integration_test resolv_unit_test
Change-Id: I65ed8aed273be4af37a982a167f364a1f33f9a36
diff --git a/server/NetworkController.cpp b/server/NetworkController.cpp
index 50e1275..b3297bb 100644
--- a/server/NetworkController.cpp
+++ b/server/NetworkController.cpp
@@ -29,12 +29,11 @@
 #include "log/log.h"
 
 #include <android-base/strings.h>
+#include <cutils/misc.h>  // FIRST_APPLICATION_UID
 #include <netd_resolv/resolv.h>
 #include <netd_resolv/resolv_stub.h>
 #include "android/net/INetd.h"
 
-#include "cutils/misc.h"
-
 #include "Controllers.h"
 #include "DummyNetwork.h"
 #include "DumpWriter.h"