Keep KonanPlatformKt.isNative for backward compatibility

compiler/cli/cli-common/src/org/jetbrains/kotlin/platform/konan/deprecated.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+@file:JvmName("KonanPlatformKt")
+
+package org.jetbrains.kotlin.platform.konan
+
+import org.jetbrains.kotlin.platform.TargetPlatform
+
+// for backward compatibility with kotlin-serialization-compiler runtime
+@Deprecated(
+    message = "This class is deprecated and will be removed soon, use API from 'org.jetbrains.kotlin.platform.*' packages instead",
+    replaceWith = ReplaceWith("org.jetbrains.kotlin.platform.konan.NativePlatformKt.isNative"),
+    level = DeprecationLevel.ERROR
+)
+@JvmName("isNative")
+fun TargetPlatform.deprecatedIsNative(): Boolean = isNative()