[catapult] - Copy Telemetry's gsutilz over to third_party.

third_party/gsutil/third_party/rsa/LICENSE

Index: third_party/gsutil/third_party/rsa/LICENSE
diff --git a/third_party/gsutil/third_party/rsa/LICENSE b/third_party/gsutil/third_party/rsa/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..da76c9d7f8c31a645477701dbbaa680708c53a99
--- /dev/null
+++ b/third_party/gsutil/third_party/rsa/LICENSE
@@ -0,0 +1,13 @@
+Copyright 2011 Sybren A. Stüvel <sybren@stuvel.eu>
+
+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.