Bugfix for rocprofiler sdk interface not working in MI 200 (#733)

[ROCm/rocprofiler-compute commit: 721053bd03]

projects/rocprofiler-compute/src/utils/utils.py

@@ -816,6 +816,8 @@ def run_prof(
 
     if rocprof_cmd == "rocprofiler-sdk":
         app_cmd = options.pop("APP_CMD")
+        if not new_env:
+            new_env = os.environ.copy()
         for key, value in options.items():
             new_env[key] = value
         console_debug("rocprof sdk env vars: {}".format(new_env))