Use project.container instead of WrapUtil

In Gradle 5.2 the 'WrapUtil.toNamedDomainObjectSet' method
was removed. This patches replaces usage of this method
with call of the 'Project.container' method.

Issue #KT-29725 Fixed

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt

@@ -1524,4 +1524,14 @@ class NewMultiplatformIT : BaseGradleIT() {
             )
         }
     }
+
+    @Test
+    fun testKt29725() {
+        with(Project("new-mpp-native-libraries", GradleVersionRequired.Exact("5.2"))) {
+            // Assert that a project with a native target can be configured with Gradle 5.2
+            build("tasks") {
+                assertSuccessful()
+            }
+        }
+    }
 }

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

@@ -26,14 +26,14 @@ open class KotlinNativeBinaryContainer @Inject constructor(
 ) : AbstractKotlinNativeBinaryContainer(),
     DomainObjectSet<NativeBinary> by backingContainer
 {
-    override val project: Project
+    final override val project: Project
         get() = target.project
 
     private val defaultCompilation: KotlinNativeCompilation
         get() = target.compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
 
     private val nameToBinary = mutableMapOf<String, NativeBinary>()
-    internal val prefixGroups: NamedDomainObjectSet<PrefixGroup> = WrapUtil.toNamedDomainObjectSet(PrefixGroup::class.java)
+    internal val prefixGroups: NamedDomainObjectSet<PrefixGroup> = project.container(PrefixGroup::class.java)
 
     // region DSL getters.
     private inline fun <reified T : NativeBinary> getBinary(