Android Gradle Plugin 0.14.4 breaks Kotlin

#KT-6310 Fixed

libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlugin.kt

@@ -228,7 +228,10 @@ open class KotlinAndroidPlugin [Inject] (val scriptHandler: ScriptHandler): Plug
                     javaSourceList.add(AndroidGradleWrapper.getJavaSrcDirs(buildTypeSourceSet))
                     kotlinTask.source(getExtention<KotlinSourceSet>(buildTypeSourceSet, "kotlin").getKotlin())
                 }
-                javaSourceList.add(Callable<File?>{ variant.getProcessResources().getSourceOutputDir() })
+
+                for (resourceFolder in AndroidGradleWrapper.getRClassFolder(variant)) {
+                    javaSourceList.add(Callable<File?>{ resourceFolder })
+                }
                 javaSourceList.add(Callable<File?>{ variant.getGenerateBuildConfig()?.getSourceOutputDir() })
                 javaSourceList.add(Callable<File?>{ variant.getAidlCompile().getSourceOutputDir() })
                 javaSourceList.add(Callable<File?>{ variant.getRenderscriptCompile().getSourceOutputDir() })

libraries/tools/kotlin-gradle-plugin-core/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/android/AndroidGradleWrapper.groovy

@@ -2,6 +2,8 @@ package org.jetbrains.kotlin.gradle.plugin.android
 
 import com.android.build.gradle.BasePlugin
 import com.android.build.gradle.api.ApkVariant
+import com.android.build.gradle.api.BaseVariant
+import com.android.build.gradle.api.BaseVariantOutput
 import org.gradle.api.tasks.util.PatternFilterable
 import org.jetbrains.annotations.NotNull
 
@@ -45,4 +47,18 @@ class AndroidGradleWrapper {
   static def List<String> getProductFlavorsNames(ApkVariant variant) {
       return variant.getProductFlavors().iterator().collect { it.getName() }
   }
+
+  @NotNull
+  static def List<File> getRClassFolder(BaseVariant variant) {
+    def list = new ArrayList<File>()
+    if (variant.getMetaClass().getMetaMethod("getProcessResources")) {
+      list.add(variant.getProcessResources().getSourceOutputDir())
+    }
+    else {
+      for (BaseVariantOutput variantOutput : variant.getOutputs()) {
+        list.add(variantOutput.processResources.sourceOutputDir)
+      }
+    }
+    return list
+  }
 }