Merge pull request #112 from dropbox/rharter/license

Adds license to readme.

Author: joshafeinberg

README.md

@@ -154,3 +154,19 @@ You should see zero tests run. Make a change within one of the modules and commi
 ## Notes
 
 Special thanks to the AndroidX for originally developing this project at https://android.googlesource.com/platform/frameworks/support/+/androidx-main/buildSrc/src/main/kotlin/androidx/build/dependencyTracker
+
+## License
+
+    Copyright (c) 2021 Dropbox, 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.