ClatdController - refactor init() into init() + resetIngressMap()

Test: compiles, atest
Bug: 139396664
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8b72207bcbc406655694a1fb173781881bbad1dd
diff --git a/server/ClatdController.h b/server/ClatdController.h
index 48de2cb..9efa8ae 100644
--- a/server/ClatdController.h
+++ b/server/ClatdController.h
@@ -82,6 +82,8 @@
     std::map<std::string, ClatdTracker> mClatdTrackers GUARDED_BY(mutex);
     ClatdTracker* getClatdTracker(const std::string& interface) REQUIRES(mutex);
 
+    void resetIngressMap() REQUIRES(mutex);
+
     void dumpEgress(netdutils::DumpWriter& dw) REQUIRES(mutex);
     void dumpIngress(netdutils::DumpWriter& dw) REQUIRES(mutex);
     void dumpTrackers(netdutils::DumpWriter& dw) REQUIRES(mutex);