Create files for planned Nvidia driver differ tool.

PiperOrigin-RevId: 655310943

tools/nvidia_driver_differ/BUILD

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+load("//tools:defs.bzl", "build_test", "cc_binary")
+
+package(
+    default_applicable_licenses = ["//:license"],
+    licenses = ["notice"],
+)
+
+cc_binary(
+    name = "driver_ast_parser",
+    srcs = [
+        "driver_ast_parser.cc",
+        "driver_ast_parser.h",
+    ],
+)
+
+build_test(
+    name = "driver_ast_parser_test",
+    targets = [":driver_ast_parser"],
+)

tools/nvidia_driver_differ/driver_ast_parser.cc

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+// Copyright 2024 The gVisor Authors.
+//
+// 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.
+
+#include "tools/nvidia_driver_differ/driver_ast_parser.h"
+int main(int argc, const char **argv) {}

tools/nvidia_driver_differ/driver_ast_parser.h

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+// Copyright 2024 The gVisor Authors.
+//
+// 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.
+
+#ifndef TOOLS_NVIDIA_DRIVER_DIFFER_DRIVER_AST_PARSER_H_
+#define TOOLS_NVIDIA_DRIVER_DIFFER_DRIVER_AST_PARSER_H_
+#endif  // TOOLS_NVIDIA_DRIVER_DIFFER_DRIVER_AST_PARSER_H_