tsan: add missing guard for DumpProcessMap call

Add a missing "#if !SANITIZER_GO" guard for a call to DumpProcessMap
in the Finalize hook (needed to build an updated Go race detector syso
image).

Reviewed By: dvyukov

Differential Revision: https://reviews.llvm.org/D128641

compiler-rt/lib/tsan/rtl/tsan_rtl.cpp

@@ -722,8 +722,10 @@ void MaybeSpawnBackgroundThread() {
 int Finalize(ThreadState *thr) {
   bool failed = false;
 
+#if !SANITIZER_GO
   if (common_flags()->print_module_map == 1)
     DumpProcessMap();
+#endif
 
   if (flags()->atexit_sleep_ms > 0 && ThreadCount(thr) > 1)
     internal_usleep(u64(flags()->atexit_sleep_ms) * 1000);