Port EventPipe CoreCLR changes to Mono.

Port changes done in the following CoreCLR PR's affecting corresponding Mono runtime EventPipe library sources:

dotnet/runtime#36720
dotnet/runtime#37002
dotnet/runtime#38967
dotnet/runtime#40191
dotnet/runtime#40332
dotnet/runtime#40499

EventPipe native code changes track by dotnet/runtime#36820.

Author: lateralusX

mono/metadata/icall-eventpipe.c

@@ -320,7 +320,7 @@ ves_icall_System_Diagnostics_Tracing_EventPipeInternal_Enable (
 		(EventPipeSerializationFormat)format,
 		true,
 		NULL,
-		true);
+		NULL);
 	ep_start_streaming (session_id);
 
 	if (config_providers) {

mono/mini/mini-runtime.c

@@ -4555,6 +4555,7 @@ mini_init (const char *filename, const char *runtime_version)
 
 #if defined(ENABLE_PERFTRACING) && !defined(DISABLE_EVENTPIPE)
 	ep_init ();
+	ep_finish_init ();
 #endif
 
 	if (mono_aot_only) {