Make gradle excludedModules property work

[labkey-tchad]

Rationale

I tried switching my build to use the excludedModules property but it doesn't work as written. "${excludedModules}" always resolves to the declared List, not the system property. Calling getProperty explicitly seems to work for me.

Related Pull Requests

• Replace buildDir with layout.buildDirectory and add an excludedModules property #621

Changes

• Make gradle excludedModules property work