chore: fix license header in build.bat (#1363)

* chore: fix license header in build.bat

* chore: add disctribution field for setup-java action

synthtool/gcp/templates/java_library/.github/workflows/samples.yaml

@@ -23,6 +23,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-java@v3
         with:
+          distribution: zulu
           java-version: 8
       - name: Run checkstyle
         run: mvn -P lint --quiet --batch-mode checkstyle:check

synthtool/gcp/templates/java_library/.kokoro/build.bat

@@ -1,18 +1,18 @@
+:: Copyright 2022 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.
+:: Github action job to test core java library features on
+:: downstream client libraries before they are released.
 :: See documentation in type-shell-output.bat
-# Copyright 2022 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.
-# Github action job to test core java library features on
-# downstream client libraries before they are released.
 
 "C:\Program Files\Git\bin\bash.exe" %~dp0build.sh