chore: migrate to owlbot (#242)

java-iam/owlbot.py

diff --git a/java-iam/owlbot.py b/java-iam/owlbot.py
new file mode 100644
index 0000000..a53d819
--- /dev/null
+++ b/java-iam/owlbot.py
@@ -0,0 +1,29 @@
+# Copyright 2020 Google LLC
+#
+# 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.
+
+"""This script is used to synthesize generated parts of this library."""
+
+import synthtool as s
+from synthtool.languages import java
+
+for library in s.get_staging_dirs():
+  # put any special-case replacements here
+  s.move(library)
+
+s.remove_staging_dirs()
+java.common_templates(excludes=[
+  'README.md',
+  'samples/*',
+  '.github/workflows/samples.yaml',
+])