dispatch vs profiling packets signals race fixed

Change-Id: I7f250d01f3d45f3f8ec2539b2187ab99503850aa

src/core/intercept_queue.cpp

@@ -14,4 +14,5 @@ InterceptQueue::obj_map_t* InterceptQueue::obj_map_ = NULL;
 const char* InterceptQueue::kernel_none_ = "";
 uint64_t InterceptQueue::timeout_ = UINT64_MAX;
 Tracker* InterceptQueue::tracker_ = NULL;
+bool InterceptQueue::tracker_on_ = true;
 }  // namespace rocprofiler