move libnfnetlink.so to vendor

Test: Compiled Marlin, verified lib installation in /vendor
Bug:34361337
Change-Id: I3fea3bbdd63cd0bd8dc822ec78e2c89fb68fdda6
diff --git a/Android.bp b/Android.bp
index b5a0a59..bf41866 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,6 +1,7 @@
 cc_library_shared {
     name: "libnfnetlink",
     export_include_dirs: ["include"],
+    vendor: true,
     srcs: [
         "src/iftable.c",
         "src/libnfnetlink.c",