WIP check tests

Author: rougsig

src/main/groovy/com/google/protobuf/gradle/ProtobufPlugin.groovy

@@ -250,7 +250,6 @@ class ProtobufPlugin implements Plugin<Project> {
      */
     private void addTasksForSourceSet(final SourceSet sourceSet) {
       GenerateProtoTask generateProtoTask = addGenerateProtoTask(sourceSet.name, [sourceSet])
-      sourceSet.java.srcDirs(generateProtoTask.outputSourceDirectorySet)
       generateProtoTask.sourceSet = sourceSet
       generateProtoTask.doneInitializing()
       generateProtoTask.builtins {
@@ -280,8 +279,6 @@ class ProtobufPlugin implements Plugin<Project> {
     private void addTasksForVariant(final Object variant, boolean isTestVariant, Collection<Closure> postConfigure) {
       // GenerateProto task, one per variant (compilation unit).
       GenerateProtoTask generateProtoTask = addGenerateProtoTask(variant.name, variant.sourceSets)
-      variant.sourceSets[Utils.variantNameToSourceSetName(variant.name)].java
-        .srcDirs(generateProtoTask.outputSourceDirectorySet)
       generateProtoTask.setVariant(variant, isTestVariant)
       generateProtoTask.flavors = ImmutableList.copyOf(variant.productFlavors.collect { it.name } )
       if (variant.hasProperty('buildType')) {