ANDROID: GKI: add Android ABI padding to struct nf_conn

Try to mitigate potential future driver core api changes by adding
padding to struct nf_conn;

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib18a9a929d351c66556f1f27b217cbf22b733a10
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 439379c..7a44164 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -15,6 +15,7 @@
 
 #include <linux/bitops.h>
 #include <linux/compiler.h>
+#include <linux/android_kabi.h>
 
 #include <linux/netfilter/nf_conntrack_common.h>
 #include <linux/netfilter/nf_conntrack_tcp.h>
@@ -105,6 +106,9 @@ struct nf_conn {
 
 	/* Storage reserved for other modules, must be the last member */
 	union nf_conntrack_proto proto;
+
+	ANDROID_KABI_RESERVE(1);
+	ANDROID_KABI_RESERVE(2);
 };
 
 static inline struct nf_conn *