Make gradle setting work with 0.8.14

Apparently it doesn't handle project renaming properly.

If this works newer version of Android Studio handles, this, please let me know. I'll switch to dev channel.

I concerned that some workflow relies on the project name, but seemingly gradle-rxjava-project-plugin uses
it only as a fallback[1], so probably this is OK?

[1] https://github.com/nebula-plugins/gradle-rxjava-project-plugin/blob/master/src/main/groovy/nebula/plugin/rxjavaproject/RxJavaPublishingPlugin.groovy