Revert "Bypass alignment related copy whenever possible (#1443)"

This reverts commit 235d4f8957ee4566d6217783638fa58a586bb35a.

old-commit-hash: d5ca841b0f18d2e707eb1f73afac842ede9be7e8

selfdrive/locationd/paramsd.cc

@@ -15,7 +15,6 @@
 #include "common/messaging.h"
 #include "common/params.h"
 #include "common/timing.h"
-#include "common/messagehelp.h"
 
 #include "messaging.hpp"
 #include "locationd_yawrate.h"
@@ -106,10 +105,14 @@ int main(int argc, char *argv[]) {
   int save_counter = 0;
   while (true){
     for (auto s : poller->poll(100)){
-      MessageReader amsg = s->receive();
-      if (!amsg) continue;
+      Message * msg = s->receive();
+
+      auto amsg = kj::heapArray<capnp::word>((msg->getSize() / sizeof(capnp::word)) + 1);
+      memcpy(amsg.begin(), msg->getData(), msg->getSize());
+
+      capnp::FlatArrayMessageReader capnp_msg(amsg);
+      cereal::Event::Reader event = capnp_msg.getRoot<cereal::Event>();
 
-      auto event = amsg.getEvent();
       localizer.handle_log(event);
 
       auto which = event.which();
@@ -169,6 +172,7 @@ int main(int argc, char *argv[]) {
                      });
         }
       }
+      delete msg;
     }
   }