Add a list of "known" OpenJdk tags.

For use in the docs generation process.

Change-Id: I99b2bc31348db417634f8d39e3c41cb0a8f21440
diff --git a/known_oj_tags.txt b/known_oj_tags.txt
new file mode 100644
index 0000000..c92ec3c
--- /dev/null
+++ b/known_oj_tags.txt
@@ -0,0 +1,22 @@
+# Copyright (C) 2015 The Android Open Source Project
+#
+# 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.
+
+# List of tags that are "known" to us from the OpenJdk code. We don't treat
+# them specially, and putting them in here is equivalent to ignoring them
+# during the documentation generation process.
+
+@serialData
+@spec
+@revised
+@jls