verify CLAT_MARK matches aidl constant.

Bug: 235778483
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ife3ad35b2e5451727a3795a0e78dd820293c0eae

service/native/include/Common.h

@@ -17,9 +17,12 @@
 #pragma once
 // TODO: deduplicate with the constants in NetdConstants.h.
 #include <aidl/android/net/INetd.h>
+#include "clat_mark.h"
 
 using aidl::android::net::INetd;
 
+static_assert(INetd::CLAT_MARK == CLAT_MARK, "must be 0xDEADC1A7");
+
 enum FirewallRule { ALLOW = INetd::FIREWALL_RULE_ALLOW, DENY = INetd::FIREWALL_RULE_DENY };
 
 // ALLOWLIST means the firewall denies all by default, uids must be explicitly ALLOWed