Fix NoSuchMethod in android-extensions-plugin

#KT-10263 Fixed

libraries/tools/kotlin-android-extensions/pom.xml

@@ -28,6 +28,12 @@
             <version>${project.version}</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-gradle-plugin</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>org.jetbrains.kotlin</groupId>
             <artifactId>kotlin-gradle-plugin-api</artifactId>

libraries/tools/kotlin-android-extensions/src/main/kotlin/org/jetbrains/kotlin/android/AndroidSubplugin.kt

@@ -16,12 +16,13 @@
 
 package org.jetbrains.kotlin.android
 
-import org.jetbrains.kotlin.gradle.plugin.KotlinGradleSubplugin
-import org.gradle.api.Project
 import com.android.build.gradle.BaseExtension
 import com.android.build.gradle.api.AndroidSourceSet
+import org.gradle.api.Project
 import org.gradle.api.tasks.compile.AbstractCompile
+import org.jetbrains.kotlin.gradle.plugin.KotlinGradleSubplugin
 import org.jetbrains.kotlin.gradle.plugin.SubpluginOption
+import org.jetbrains.kotlin.gradle.plugin.android.AndroidGradleWrapper
 import org.w3c.dom.Document
 import java.io.File
 import javax.xml.parsers.DocumentBuilderFactory
@@ -48,7 +49,7 @@ public class AndroidSubplugin : KotlinGradleSubplugin {
 
         addVariant(mainSourceSet)
 
-        val flavorSourceSets = androidExtension.productFlavors.map { sourceSets.findByName(it.name) }.filterNotNull()
+        val flavorSourceSets = AndroidGradleWrapper.getProductFlavorsSourceSets(androidExtension).filterNotNull()
         for (sourceSet in flavorSourceSets) {
             addVariant(sourceSet)
         }

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

@@ -2,6 +2,7 @@ package org.jetbrains.kotlin.gradle.plugin.android
 
 import com.android.build.gradle.BaseExtension
 import com.android.build.gradle.BasePlugin
+import com.android.build.gradle.api.AndroidSourceSet
 import com.android.build.gradle.api.ApkVariant
 import com.android.build.gradle.api.BaseVariant
 import com.android.build.gradle.api.TestVariant
@@ -67,6 +68,11 @@ class AndroidGradleWrapper {
       return variant.getProductFlavors().iterator().collect { it.getName() }
   }
 
+  @NotNull
+  static def List<AndroidSourceSet> getProductFlavorsSourceSets(BaseExtension extension) {
+      return extension.productFlavors.iterator().collect { extension.sourceSets.findByName(it.name) }
+  }
+
   @NotNull
   static def DefaultDomainObjectSet<TestVariant> getTestVariants(BaseExtension extension) {
     if (extension.getMetaClass().getMetaMethod("getTestVariants")) {