Add an int constant for CLAT_MARK and freeze INetd v10.

Test: m
Bug: 235778483
Change-Id: I45a0bd6be39022a913bc6cff8216df0b6559cd4b
diff --git a/staticlibs/netd/binder/android/net/INetd.aidl b/staticlibs/netd/binder/android/net/INetd.aidl
index ad469f8..8bf8e5b 100644
--- a/staticlibs/netd/binder/android/net/INetd.aidl
+++ b/staticlibs/netd/binder/android/net/INetd.aidl
@@ -569,6 +569,11 @@
     */
     void clatdStop(in @utf8InCpp String ifName);
 
+    /**
+     * Packet mark that identifies non-offloaded ingress clat packets.
+     */
+    const int CLAT_MARK = 0xdeadc1a7;
+
    /**
     * Get status of IP forwarding
     *