move clatd.c bpf program to mainline

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I7e88fcc34c21695e844d607836df4661790cba03
diff --git a/Tethering/apex/Android.bp b/Tethering/apex/Android.bp
index 4c64e98..72c83fa 100644
--- a/Tethering/apex/Android.bp
+++ b/Tethering/apex/Android.bp
@@ -63,6 +63,7 @@
     ],
     canned_fs_config: "canned_fs_config",
     bpfs: [
+        "clatd.o_mainline",
         "netd.o_mainline",
         "offload.o",
         "test.o",