fw: reorder function params to make the strategy API more uniform

Also add a non-const overload of Face::getCounters to avoid const_cast

Refs: #5173
Change-Id: Iff0bfbdedb90e68a373090cf3f247d9a7501f58d
diff --git a/daemon/fw/multicast-strategy.hpp b/daemon/fw/multicast-strategy.hpp
index 7ef0080..fe122a4 100644
--- a/daemon/fw/multicast-strategy.hpp
+++ b/daemon/fw/multicast-strategy.hpp
@@ -43,8 +43,9 @@
   static const Name&
   getStrategyName();
 
+public: // triggers
   void
-  afterReceiveInterest(const FaceEndpoint& ingress, const Interest& interest,
+  afterReceiveInterest(const Interest& interest, const FaceEndpoint& ingress,
                        const shared_ptr<pit::Entry>& pitEntry) override;
 
   void