chore: import upstream snapshot with attribution

tools/Polygraphy/bin/polygraphy

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""
+A wrapper around ``polygraphy.tools.main()``. This is primarily for development purposes
+as it will inject the Polygraphy source path into PYTHONPATH.
+"""
+import os
+import sys
+
+G_SCRIPT_FILE = os.path.realpath(__file__)
+G_ROOT_DIR = os.path.join(os.path.dirname(G_SCRIPT_FILE), os.pardir)
+sys.path.insert(0, G_ROOT_DIR)
+
+
+from polygraphy import tools
+
+if __name__ == "__main__":
+    sys.exit(tools.main())