ClatdController - implement resetEgressMap()

Test: compiles, atest
Bug: 139396664
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ie5f969cf94d9571a0ee5a2847c87e397132f46f1
diff --git a/server/ClatdController.h b/server/ClatdController.h
index 9efa8ae..8794e80 100644
--- a/server/ClatdController.h
+++ b/server/ClatdController.h
@@ -82,6 +82,7 @@
     std::map<std::string, ClatdTracker> mClatdTrackers GUARDED_BY(mutex);
     ClatdTracker* getClatdTracker(const std::string& interface) REQUIRES(mutex);
 
+    void resetEgressMap() REQUIRES(mutex);
     void resetIngressMap() REQUIRES(mutex);
 
     void dumpEgress(netdutils::DumpWriter& dw) REQUIRES(mutex);