Runtime Initialization Tracing (#1105)

* Runtime initialization tracing

- calbacks and buffer entries notifying when a runtime has been initialized

* Minor cleanup to registration.cpp

* JSON tool implementation

* Increase perfetto_reader timeout

* Handle perfetto_reader timeout when attr doesn't exist

* clang-tidy fixes to memory_allocation.cpp

source/lib/rocprofiler-sdk/hsa/memory_allocation.cpp

@@ -318,12 +318,12 @@ get_agent(T val, IterateFunc iterate_func, CallbackFunc callback)
     if(existing.count(val) == 0)
     {
         auto agents = rocprofiler::agent::get_agents();
-        for(auto itr : agents)
+        for(const auto* itr : agents)
         {
             auto hsa_agent = rocprofiler::agent::get_hsa_agent(itr);
             if(hsa_agent)
             {
-                auto rocprof_agent = rocprofiler::agent::get_rocprofiler_agent(*hsa_agent);
+                const auto* rocprof_agent = rocprofiler::agent::get_rocprofiler_agent(*hsa_agent);
                 if(rocprof_agent)
                 {
                     auto data = typename memory_allocation_info<OpIdx>::pairtype{&existing,