Add new script for metadata build target

Bug: 326986729
Test: none
Change-Id: Ia4a30511c4e0b570bfef96a1a59993bc0ed5fad8
diff --git a/ci/build_metadata b/ci/build_metadata
new file mode 100755
index 0000000..8136702
--- /dev/null
+++ b/ci/build_metadata
@@ -0,0 +1,25 @@
+#/bin/bash
+
+# Copyright 2024, 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.
+
+set -ex
+
+export TARGET_PRODUCT=aosp_arm64
+export TARGET_RELEASE=trunk_staging
+export TARGET_BUILD_VARIANT=eng
+
+build/soong/bin/m dist \
+    code_metadata
+