Add an end-to-end test for symbolize_trace on macOS.

catapult_build/build_steps.py

Index: catapult_build/build_steps.py
diff --git a/catapult_build/build_steps.py b/catapult_build/build_steps.py
index af9d75c0b6372fb9f7a3319089b36f1deca2e7dd..8f5b7f74a898766aebadbeb10e492281a71dfa7f 100644
--- a/catapult_build/build_steps.py
+++ b/catapult_build/build_steps.py
@@ -91,6 +91,11 @@ _CATAPULT_TESTS = [
         'disabled': ['android'],
     },
     {
+        'name': 'Native Heap Symbolizer Tests',
+        'path': 'tracing/bin/run_symbolizer_tests',
+        'disabled': ['android'],
+    },
+    {
         'name': 'Py-vulcanize Tests',
         'path': 'third_party/py_vulcanize/bin/run_py_tests',
         'additional_args': ['--no-install-hooks'],