fix typo

tools/run_tests/python_utils/upload_rbe_results.py

@@ -125,7 +125,7 @@ def _get_resultstore_data(api_key, invocation_id):
 
 
 if __name__ == "__main__":
-    # Arguments are necessary if running in a non-Kokoro envrionment.
+    # Arguments are necessary if running in a non-Kokoro environment.
     argp = argparse.ArgumentParser(description='Upload RBE results.')
     argp.add_argument('--api_key', default='', type=str)
     argp.add_argument('--invocation_id', default='', type=str)