Add full license to generated files in internal deploy only (#2743)

Author: hsubox76

packages/firebase/rollup-internal.config.js

@@ -23,13 +23,21 @@
 // When run in google3, original rollup.config.js will have been renamed to rollup-main.config.js.
 import baseBuilds from './rollup-main.config.js';
 import license from 'rollup-plugin-license';
-import gitRev from 'git-rev-sync';
-import pkg from './package.json';
 
 const firebaseLicense = license({
-  banner: `@license Firebase v${pkg.version}
-    Build: rev-${gitRev.short()}
-    Terms: https://firebase.google.com/terms/`
+  banner: `Copyright ${new Date().getFullYear()} Google Inc.
+
+  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.`
 });
 
 const buildsWithLicense = baseBuilds.map(build => {