Use 'teamcity.version' property to detect CI in K/N tests

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

@@ -404,7 +404,7 @@ open class KotlinNativeTargetConfigurator(
             // TODO: Provide a normal test path!
             outputDir = project.layout.buildDirectory.dir("test-results").get().asFile
 
-            if (project.hasProperty("teamcity")) {
+            if (project.hasProperty("teamcity.version")) {
                 args("--ktest_logger=TEAMCITY")
             }
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/KotlinNativeTasks.kt

@@ -57,7 +57,7 @@ open class KotlinNativeCompile : AbstractCompile() {
     val libraries: FileCollection
         @InputFiles get() = compilation.compileDependencyFiles
 
-    val friendModule: FileCollection?
+    private val friendModule: FileCollection?
         // It's already taken into account in libraries
         @Internal get() = compilation.friendCompilation?.output