Fix projects for gradle integration tests

plugins/android-extensions/android-extensions-runtime/build.gradle.kts

@@ -1,19 +1,3 @@
-/*
- * Copyright 2010-2017 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 
 description = "Kotlin Android Extensions Runtime"
 
@@ -29,6 +13,8 @@ sourceSets {
     "test" {}
 }
 
-runtimeJar ()
+runtimeJar()
+sourcesJar()
+javadocJar()
 
 publish()