build netbpfload into the tethering apex

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Id68aece26115808c2b1b795b9395208f5066f87c
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 9757daa..9132857 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -96,6 +96,7 @@
     },
     binaries: [
         "clatd",
+        "netbpfload",
         "ot-daemon",
     ],
     canned_fs_config: "canned_fs_config",