repo: fix up license text

Switch the copyright holder to "The Android Open Source Project" to
match all the other source files in the tree, and move it to the top
of the file to match everything else we do.

Change-Id: Ie15d8e2bc004a626e45f715271deeaf3919dc44a
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/256235
Tested-by: Mike Frysinger <vapier@google.com>
Reviewed-by: David Pursehouse <dpursehouse@collab.net>

repo

@@ -1,5 +1,19 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
+#
+# Copyright (C) 2008 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.
 
 """Repo launcher.
 
@@ -118,20 +132,6 @@ REPO_REV = os.environ.get('REPO_REV')
 if not REPO_REV:
   REPO_REV = 'stable'
 
-# Copyright (C) 2008 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.
-
 # increment this whenever we make important changes to this script
 VERSION = (2, 4)