When building an existing module for 9.0.0, the build system's migration code should add an empty "build.gradle" file to the project folder if missing.
- This will help compel developers to use this file to reference libraries instead of using the "lib" directory.
- Appcelerator Studio needs a "clue" in the directory that indicates it is an Android project or else it won't be able to build/package it. This will resolve
Titanium 9.0.0's module template has already been updated to provide an empty "build.gradle" file. The migration code should use this same file.